Home / 752,517.20-1,128,885.96-353,198.54

Finding the Fourth Proportional to 752,517.20, 1,128,885.96 and 353,198.54

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Solution

The fourth proportional to 752,517.20, 1,128,885.96 and 353,198.54 is: 529,849.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,517.20 : 1,128,885.96 = 353,198.54 : x
  2. Step 2: Convert to fraction form
    752,517.20/1,128,885.96 = 353,198.54/x
  3. Step 3: Cross multiply
    752,517.20x = 1,128,885.96 × 353,198.54
  4. Step 4: Simplify right side
    752,517.20x = 398,720,872,898.50
  5. Step 5: Solve for x
    x = 398,720,872,898.50/752,517.20
  6. Step 6: Final answer
    x = 529,849.51

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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.