Home / 981,956.96-1,355,087.76-552,236.96

Finding the Fourth Proportional to 981,956.96, 1,355,087.76 and 552,236.96

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Solution

The fourth proportional to 981,956.96, 1,355,087.76 and 552,236.96 is: 762,079.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,956.96 : 1,355,087.76 = 552,236.96 : x
  2. Step 2: Convert to fraction form
    981,956.96/1,355,087.76 = 552,236.96/x
  3. Step 3: Cross multiply
    981,956.96x = 1,355,087.76 × 552,236.96
  4. Step 4: Simplify right side
    981,956.96x = 748,329,545,115.61
  5. Step 5: Solve for x
    x = 748,329,545,115.61/981,956.96
  6. Step 6: Final answer
    x = 762,079.78

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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.