Home / 724,414.92-1,086,376.29-250,989.78

Finding the Fourth Proportional to 724,414.92, 1,086,376.29 and 250,989.78

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Solution

The fourth proportional to 724,414.92, 1,086,376.29 and 250,989.78 is: 376,399.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,414.92 : 1,086,376.29 = 250,989.78 : x
  2. Step 2: Convert to fraction form
    724,414.92/1,086,376.29 = 250,989.78/x
  3. Step 3: Cross multiply
    724,414.92x = 1,086,376.29 × 250,989.78
  4. Step 4: Simplify right side
    724,414.92x = 272,669,346,024.32
  5. Step 5: Solve for x
    x = 272,669,346,024.32/724,414.92
  6. Step 6: Final answer
    x = 376,399.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.