Home / 681,620.31-1,022,117.45-232,158.32

Finding the Fourth Proportional to 681,620.31, 1,022,117.45 and 232,158.32

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Solution

The fourth proportional to 681,620.31, 1,022,117.45 and 232,158.32 is: 348,130.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,620.31 : 1,022,117.45 = 232,158.32 : x
  2. Step 2: Convert to fraction form
    681,620.31/1,022,117.45 = 232,158.32/x
  3. Step 3: Cross multiply
    681,620.31x = 1,022,117.45 × 232,158.32
  4. Step 4: Simplify right side
    681,620.31x = 237,293,063,763.31
  5. Step 5: Solve for x
    x = 237,293,063,763.31/681,620.31
  6. Step 6: Final answer
    x = 348,130.86

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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.