| ( | x | − | 200 | ) | × | 3 4 | ÷ | 1610 | = | ( | x | − | 290 | ) | × | 3 4 | ÷ | 1410 |
| Left side of the equation = | ( | x | − | 200 | ) | × | 3 6440 |
| ( | x | − | 200 | ) | × | 3 6440 | = | ( | x | − | 290 | ) | × | 3 4 | ÷ | 1410 |
| Left side of the equation = | x | × | 3 6440 | − | 200 | × | 3 6440 |
| = | x | × | 3 6440 | − | 15 161 |
3 6440 | x | − | 15 161 | = | ( | x | − | 290 | ) | × | 3 4 | ÷ | 1410 |
| Right side of the equation = | ( | x | − | 290 | ) | × | 1 1880 |
3 6440 | x | − | 15 161 | = | ( | x | − | 290 | ) | × | 1 1880 |
| Right side of the equation = | x | × | 1 1880 | − | 290 | × | 1 1880 |
| = | x | × | 1 1880 | − | 29 188 |
3 6440 | x | − | 15 161 | = | 1 1880 | x | − | 29 188 |
3 6440 | x | − | 1 1880 | x | = | - | 29 188 | + | 15 161 |
| - | 1 15134 | x | = | - | 29 188 | + | 15 161 |
| - | 1 15134 | x | = | - | 1849 30268 |
1849 30268 | = | 1 15134 | x |
1 15134 | x | = | 1849 30268 |
| x | = | 1849 30268 | ÷ | 1 15134 |
| = | 1849 30268 | × | 15134 |
| = | 1849 2 | × | 1 |
| x | = | 1849 2 |
| x | = | 924.5 |