Home / 527,608.36-791,401.50-128,251.24

Finding the Fourth Proportional to 527,608.36, 791,401.50 and 128,251.24

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Solution

The fourth proportional to 527,608.36, 791,401.50 and 128,251.24 is: 192,374.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,608.36 : 791,401.50 = 128,251.24 : x
  2. Step 2: Convert to fraction form
    527,608.36/791,401.50 = 128,251.24/x
  3. Step 3: Cross multiply
    527,608.36x = 791,401.50 × 128,251.24
  4. Step 4: Simplify right side
    527,608.36x = 101,498,223,712.86
  5. Step 5: Solve for x
    x = 101,498,223,712.86/527,608.36
  6. Step 6: Final answer
    x = 192,374.18

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1.5x scale

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.