Home / 621,728.97-932,593.38-172,449.85

Finding the Fourth Proportional to 621,728.97, 932,593.38 and 172,449.85

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Solution

The fourth proportional to 621,728.97, 932,593.38 and 172,449.85 is: 258,674.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,728.97 : 932,593.38 = 172,449.85 : x
  2. Step 2: Convert to fraction form
    621,728.97/932,593.38 = 172,449.85/x
  3. Step 3: Cross multiply
    621,728.97x = 932,593.38 × 172,449.85
  4. Step 4: Simplify right side
    621,728.97x = 160,825,587,102.89
  5. Step 5: Solve for x
    x = 160,825,587,102.89/621,728.97
  6. Step 6: Final answer
    x = 258,674.75

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Similar ratio
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1.5x scale

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.