Home / 498,220.39-747,449.22-161,261.09

Finding the Fourth Proportional to 498,220.39, 747,449.22 and 161,261.09

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Solution

The fourth proportional to 498,220.39, 747,449.22 and 161,261.09 is: 241,930.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,220.39 : 747,449.22 = 161,261.09 : x
  2. Step 2: Convert to fraction form
    498,220.39/747,449.22 = 161,261.09/x
  3. Step 3: Cross multiply
    498,220.39x = 747,449.22 × 161,261.09
  4. Step 4: Simplify right side
    498,220.39x = 120,534,478,904.58
  5. Step 5: Solve for x
    x = 120,534,478,904.58/498,220.39
  6. Step 6: Final answer
    x = 241,930.04

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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.