Home / 1,720,801.20-2,581,278.60-656,353.20

Finding the Fourth Proportional to 1,720,801.20, 2,581,278.60 and 656,353.20

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Solution

The fourth proportional to 1,720,801.20, 2,581,278.60 and 656,353.20 is: 984,559.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,801.20 : 2,581,278.60 = 656,353.20 : x
  2. Step 2: Convert to fraction form
    1,720,801.20/2,581,278.60 = 656,353.20/x
  3. Step 3: Cross multiply
    1,720,801.20x = 2,581,278.60 × 656,353.20
  4. Step 4: Simplify right side
    1,720,801.20x = 1,694,230,469,201.52
  5. Step 5: Solve for x
    x = 1,694,230,469,201.52/1,720,801.20
  6. Step 6: Final answer
    x = 984,559.09

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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.