Home / 621,815.74-932,723.61-172,536.69

Finding the Fourth Proportional to 621,815.74, 932,723.61 and 172,536.69

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Solution

The fourth proportional to 621,815.74, 932,723.61 and 172,536.69 is: 258,805.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,815.74 : 932,723.61 = 172,536.69 : x
  2. Step 2: Convert to fraction form
    621,815.74/932,723.61 = 172,536.69/x
  3. Step 3: Cross multiply
    621,815.74x = 932,723.61 × 172,536.69
  4. Step 4: Simplify right side
    621,815.74x = 160,929,044,354.25
  5. Step 5: Solve for x
    x = 160,929,044,354.25/621,815.74
  6. Step 6: Final answer
    x = 258,805.04

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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.