Home / 425,634.22-587,379.75-234,654.45

Finding the Fourth Proportional to 425,634.22, 587,379.75 and 234,654.45

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Solution

The fourth proportional to 425,634.22, 587,379.75 and 234,654.45 is: 323,825.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,634.22 : 587,379.75 = 234,654.45 : x
  2. Step 2: Convert to fraction form
    425,634.22/587,379.75 = 234,654.45/x
  3. Step 3: Cross multiply
    425,634.22x = 587,379.75 × 234,654.45
  4. Step 4: Simplify right side
    425,634.22x = 137,831,272,177.39
  5. Step 5: Solve for x
    x = 137,831,272,177.39/425,634.22
  6. Step 6: Final answer
    x = 323,825.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.