Home / 621,670.40-932,505.60-227,635.20

Finding the Fourth Proportional to 621,670.40, 932,505.60 and 227,635.20

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Solution

The fourth proportional to 621,670.40, 932,505.60 and 227,635.20 is: 341,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,670.40 : 932,505.60 = 227,635.20 : x
  2. Step 2: Convert to fraction form
    621,670.40/932,505.60 = 227,635.20/x
  3. Step 3: Cross multiply
    621,670.40x = 932,505.60 × 227,635.20
  4. Step 4: Simplify right side
    621,670.40x = 212,271,098,757.12
  5. Step 5: Solve for x
    x = 212,271,098,757.12/621,670.40
  6. Step 6: Final answer
    x = 341,452.80

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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.