Home / 621,845.64-932,768.46-172,566.54

Finding the Fourth Proportional to 621,845.64, 932,768.46 and 172,566.54

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Solution

The fourth proportional to 621,845.64, 932,768.46 and 172,566.54 is: 258,849.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,845.64 : 932,768.46 = 172,566.54 : x
  2. Step 2: Convert to fraction form
    621,845.64/932,768.46 = 172,566.54/x
  3. Step 3: Cross multiply
    621,845.64x = 932,768.46 × 172,566.54
  4. Step 4: Simplify right side
    621,845.64x = 160,964,625,763.33
  5. Step 5: Solve for x
    x = 160,964,625,763.33/621,845.64
  6. Step 6: Final answer
    x = 258,849.81

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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.