| ( | 440000 | + | x | ) | ÷ | 53 50 | × | 3 50 | × | 28 25 | = | x |
| Left side of the equation = | ( | 440000 | + | x | ) | × | 84 1325 |
| ( | 440000 | + | x | ) | × | 84 1325 | = | x |
| Left side of the equation = | 440000 | × | 84 1325 | + | x | × | 84 1325 |
| = | 1478400 53 | + | x | × | 84 1325 |
1478400 53 | + | 84 1325 | x | = | x |
84 1325 | x | − | x | = | - | 1478400 53 |
| - | 1241 1325 | x | = | - | 1478400 53 |
1478400 53 | = | 1241 1325 | x |
1241 1325 | x | = | 1478400 53 |
| x | = | 1478400 53 | ÷ | 1241 1325 |
| = | 1478400 53 | × | 1325 1241 |
| = | 1478400 | × | 25 1241 |
| x | = | 36960000 1241 |
| x | = | 29782.433521 |