Home / 527,608.20-791,405.16-128,247.84

Finding the Fourth Proportional to 527,608.20, 791,405.16 and 128,247.84

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Solution

The fourth proportional to 527,608.20, 791,405.16 and 128,247.84 is: 192,370.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,608.20 : 791,405.16 = 128,247.84 : x
  2. Step 2: Convert to fraction form
    527,608.20/791,405.16 = 128,247.84/x
  3. Step 3: Cross multiply
    527,608.20x = 791,405.16 × 128,247.84
  4. Step 4: Simplify right side
    527,608.20x = 101,496,002,334.85
  5. Step 5: Solve for x
    x = 101,496,002,334.85/527,608.20
  6. Step 6: Final answer
    x = 192,370.02

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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.