Home / 752,062.52-1,127,532.72-452,472.92

Finding the Fourth Proportional to 752,062.52, 1,127,532.72 and 452,472.92

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Solution

The fourth proportional to 752,062.52, 1,127,532.72 and 452,472.92 is: 678,371.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,062.52 : 1,127,532.72 = 452,472.92 : x
  2. Step 2: Convert to fraction form
    752,062.52/1,127,532.72 = 452,472.92/x
  3. Step 3: Cross multiply
    752,062.52x = 1,127,532.72 × 452,472.92
  4. Step 4: Simplify right side
    752,062.52x = 510,178,022,213.94
  5. Step 5: Solve for x
    x = 510,178,022,213.94/752,062.52
  6. Step 6: Final answer
    x = 678,371.82

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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.