Home / 875,805.20-1,208,404.89-531,632.61

Finding the Fourth Proportional to 875,805.20, 1,208,404.89 and 531,632.61

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Solution

The fourth proportional to 875,805.20, 1,208,404.89 and 531,632.61 is: 733,527.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,805.20 : 1,208,404.89 = 531,632.61 : x
  2. Step 2: Convert to fraction form
    875,805.20/1,208,404.89 = 531,632.61/x
  3. Step 3: Cross multiply
    875,805.20x = 1,208,404.89 × 531,632.61
  4. Step 4: Simplify right side
    875,805.20x = 642,427,439,565.44
  5. Step 5: Solve for x
    x = 642,427,439,565.44/875,805.20
  6. Step 6: Final answer
    x = 733,527.78

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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.