Home / 1,324,205.20-1,987,344.60-614,321.20

Finding the Fourth Proportional to 1,324,205.20, 1,987,344.60 and 614,321.20

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Solution

The fourth proportional to 1,324,205.20, 1,987,344.60 and 614,321.20 is: 921,962.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,205.20 : 1,987,344.60 = 614,321.20 : x
  2. Step 2: Convert to fraction form
    1,324,205.20/1,987,344.60 = 614,321.20/x
  3. Step 3: Cross multiply
    1,324,205.20x = 1,987,344.60 × 614,321.20
  4. Step 4: Simplify right side
    1,324,205.20x = 1,220,867,919,485.52
  5. Step 5: Solve for x
    x = 1,220,867,919,485.52/1,324,205.20
  6. Step 6: Final answer
    x = 921,962.79

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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.