Home / 527,629.36-791,517.96-172,671.28

Finding the Fourth Proportional to 527,629.36, 791,517.96 and 172,671.28

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Solution

The fourth proportional to 527,629.36, 791,517.96 and 172,671.28 is: 259,031.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,629.36 : 791,517.96 = 172,671.28 : x
  2. Step 2: Convert to fraction form
    527,629.36/791,517.96 = 172,671.28/x
  3. Step 3: Cross multiply
    527,629.36x = 791,517.96 × 172,671.28
  4. Step 4: Simplify right side
    527,629.36x = 136,672,419,296.19
  5. Step 5: Solve for x
    x = 136,672,419,296.19/527,629.36
  6. Step 6: Final answer
    x = 259,031.11

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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.