Home / 711,493.92-1,066,737.60-356,253.12

Finding the Fourth Proportional to 711,493.92, 1,066,737.60 and 356,253.12

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Solution

The fourth proportional to 711,493.92, 1,066,737.60 and 356,253.12 is: 534,127.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,493.92 : 1,066,737.60 = 356,253.12 : x
  2. Step 2: Convert to fraction form
    711,493.92/1,066,737.60 = 356,253.12/x
  3. Step 3: Cross multiply
    711,493.92x = 1,066,737.60 × 356,253.12
  4. Step 4: Simplify right side
    711,493.92x = 380,028,598,221.31
  5. Step 5: Solve for x
    x = 380,028,598,221.31/711,493.92
  6. Step 6: Final answer
    x = 534,127.68

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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.