Home / 752,472.23-1,129,077.41-353,145.47

Finding the Fourth Proportional to 752,472.23, 1,129,077.41 and 353,145.47

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Solution

The fourth proportional to 752,472.23, 1,129,077.41 and 353,145.47 is: 529,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,472.23 : 1,129,077.41 = 353,145.47 : x
  2. Step 2: Convert to fraction form
    752,472.23/1,129,077.41 = 353,145.47/x
  3. Step 3: Cross multiply
    752,472.23x = 1,129,077.41 × 353,145.47
  4. Step 4: Simplify right side
    752,472.23x = 398,728,573,677.80
  5. Step 5: Solve for x
    x = 398,728,573,677.80/752,472.23
  6. Step 6: Final answer
    x = 529,891.41

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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.