Home / 658,206.60-986,532.30-491,800.20

Finding the Fourth Proportional to 658,206.60, 986,532.30 and 491,800.20

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Solution

The fourth proportional to 658,206.60, 986,532.30 and 491,800.20 is: 737,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,206.60 : 986,532.30 = 491,800.20 : x
  2. Step 2: Convert to fraction form
    658,206.60/986,532.30 = 491,800.20/x
  3. Step 3: Cross multiply
    658,206.60x = 986,532.30 × 491,800.20
  4. Step 4: Simplify right side
    658,206.60x = 485,176,782,446.46
  5. Step 5: Solve for x
    x = 485,176,782,446.46/658,206.60
  6. Step 6: Final answer
    x = 737,119.29

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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.