Home / 621,352.30-932,028.45-222,006.10

Finding the Fourth Proportional to 621,352.30, 932,028.45 and 222,006.10

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Solution

The fourth proportional to 621,352.30, 932,028.45 and 222,006.10 is: 333,009.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,352.30 : 932,028.45 = 222,006.10 : x
  2. Step 2: Convert to fraction form
    621,352.30/932,028.45 = 222,006.10/x
  3. Step 3: Cross multiply
    621,352.30x = 932,028.45 × 222,006.10
  4. Step 4: Simplify right side
    621,352.30x = 206,916,001,273.55
  5. Step 5: Solve for x
    x = 206,916,001,273.55/621,352.30
  6. Step 6: Final answer
    x = 333,009.15

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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.