Home / 752,338.08-1,127,781.36-253,429.92

Finding the Fourth Proportional to 752,338.08, 1,127,781.36 and 253,429.92

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Solution

The fourth proportional to 752,338.08, 1,127,781.36 and 253,429.92 is: 379,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,338.08 : 1,127,781.36 = 253,429.92 : x
  2. Step 2: Convert to fraction form
    752,338.08/1,127,781.36 = 253,429.92/x
  3. Step 3: Cross multiply
    752,338.08x = 1,127,781.36 × 253,429.92
  4. Step 4: Simplify right side
    752,338.08x = 285,813,539,842.29
  5. Step 5: Solve for x
    x = 285,813,539,842.29/752,338.08
  6. Step 6: Final answer
    x = 379,900.40

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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.