Home / 527,396.25-791,099.34-128,040.54

Finding the Fourth Proportional to 527,396.25, 791,099.34 and 128,040.54

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Solution

The fourth proportional to 527,396.25, 791,099.34 and 128,040.54 is: 192,062.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,396.25 : 791,099.34 = 128,040.54 : x
  2. Step 2: Convert to fraction form
    527,396.25/791,099.34 = 128,040.54/x
  3. Step 3: Cross multiply
    527,396.25x = 791,099.34 × 128,040.54
  4. Step 4: Simplify right side
    527,396.25x = 101,292,786,687.24
  5. Step 5: Solve for x
    x = 101,292,786,687.24/527,396.25
  6. Step 6: Final answer
    x = 192,062.02

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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.