Home / 750,910.19-1,036,249.94-406,738.15

Finding the Fourth Proportional to 750,910.19, 1,036,249.94 and 406,738.15

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Solution

The fourth proportional to 750,910.19, 1,036,249.94 and 406,738.15 is: 561,295.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,910.19 : 1,036,249.94 = 406,738.15 : x
  2. Step 2: Convert to fraction form
    750,910.19/1,036,249.94 = 406,738.15/x
  3. Step 3: Cross multiply
    750,910.19x = 1,036,249.94 × 406,738.15
  4. Step 4: Simplify right side
    750,910.19x = 421,482,381,959.43
  5. Step 5: Solve for x
    x = 421,482,381,959.43/750,910.19
  6. Step 6: Final answer
    x = 561,295.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.