Home / 621,445.20-932,187.24-200,724.72

Finding the Fourth Proportional to 621,445.20, 932,187.24 and 200,724.72

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Solution

The fourth proportional to 621,445.20, 932,187.24 and 200,724.72 is: 301,093.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,445.20 : 932,187.24 = 200,724.72 : x
  2. Step 2: Convert to fraction form
    621,445.20/932,187.24 = 200,724.72/x
  3. Step 3: Cross multiply
    621,445.20x = 932,187.24 × 200,724.72
  4. Step 4: Simplify right side
    621,445.20x = 187,113,022,736.57
  5. Step 5: Solve for x
    x = 187,113,022,736.57/621,445.20
  6. Step 6: Final answer
    x = 301,093.36

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Half scale
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Double scale
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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.