Home / 1,127,861.92-1,691,764.76-329,150.38

Finding the Fourth Proportional to 1,127,861.92, 1,691,764.76 and 329,150.38

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Solution

The fourth proportional to 1,127,861.92, 1,691,764.76 and 329,150.38 is: 493,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,861.92 : 1,691,764.76 = 329,150.38 : x
  2. Step 2: Convert to fraction form
    1,127,861.92/1,691,764.76 = 329,150.38/x
  3. Step 3: Cross multiply
    1,127,861.92x = 1,691,764.76 × 329,150.38
  4. Step 4: Simplify right side
    1,127,861.92x = 556,845,013,624.61
  5. Step 5: Solve for x
    x = 556,845,013,624.61/1,127,861.92
  6. Step 6: Final answer
    x = 493,717.36

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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.