Home / 527,474.28-791,200.26-128,116.92

Finding the Fourth Proportional to 527,474.28, 791,200.26 and 128,116.92

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Solution

The fourth proportional to 527,474.28, 791,200.26 and 128,116.92 is: 192,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,474.28 : 791,200.26 = 128,116.92 : x
  2. Step 2: Convert to fraction form
    527,474.28/791,200.26 = 128,116.92/x
  3. Step 3: Cross multiply
    527,474.28x = 791,200.26 × 128,116.92
  4. Step 4: Simplify right side
    527,474.28x = 101,366,140,414.40
  5. Step 5: Solve for x
    x = 101,366,140,414.40/527,474.28
  6. Step 6: Final answer
    x = 192,172.67

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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.