Home / 621,773.28-932,561.10-222,339.60

Finding the Fourth Proportional to 621,773.28, 932,561.10 and 222,339.60

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Solution

The fourth proportional to 621,773.28, 932,561.10 and 222,339.60 is: 333,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,773.28 : 932,561.10 = 222,339.60 : x
  2. Step 2: Convert to fraction form
    621,773.28/932,561.10 = 222,339.60/x
  3. Step 3: Cross multiply
    621,773.28x = 932,561.10 × 222,339.60
  4. Step 4: Simplify right side
    621,773.28x = 207,345,261,949.56
  5. Step 5: Solve for x
    x = 207,345,261,949.56/621,773.28
  6. Step 6: Final answer
    x = 333,474.06

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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.