Home / 750,311.38-1,125,134.52-539,063.62

Finding the Fourth Proportional to 750,311.38, 1,125,134.52 and 539,063.62

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Solution

The fourth proportional to 750,311.38, 1,125,134.52 and 539,063.62 is: 808,356.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,311.38 : 1,125,134.52 = 539,063.62 : x
  2. Step 2: Convert to fraction form
    750,311.38/1,125,134.52 = 539,063.62/x
  3. Step 3: Cross multiply
    750,311.38x = 1,125,134.52 × 539,063.62
  4. Step 4: Simplify right side
    750,311.38x = 606,519,087,338.16
  5. Step 5: Solve for x
    x = 606,519,087,338.16/750,311.38
  6. Step 6: Final answer
    x = 808,356.51

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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.