729/490
| Ratio | 729/490 |
| Monzo | [-1 6 -1 -2⟩ |
| Size in cents | 687.76448 |
| Name(s) | sensamagic fifth, septimal sesquiaugmented acute fourth |
| Color name | rrg4, rurugu 4th |
729/490, the sensamagic fifth or septimal sesquiaugmented acute fourth is a 7-limit ratio of about 687 cents, flat of a just fifth 3/2 by a sensamagic comma 245/243.
It arises in just intonation scales often as the octave complement of 980/729.
See also
- 980/729, its octave complement
- Gallery of just intervals
