Home / 649,560.58-974,278.22-200,160.78

Finding the Fourth Proportional to 649,560.58, 974,278.22 and 200,160.78

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Solution

The fourth proportional to 649,560.58, 974,278.22 and 200,160.78 is: 300,221.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,560.58 : 974,278.22 = 200,160.78 : x
  2. Step 2: Convert to fraction form
    649,560.58/974,278.22 = 200,160.78/x
  3. Step 3: Cross multiply
    649,560.58x = 974,278.22 × 200,160.78
  4. Step 4: Simplify right side
    649,560.58x = 195,012,288,452.21
  5. Step 5: Solve for x
    x = 195,012,288,452.21/649,560.58
  6. Step 6: Final answer
    x = 300,221.86

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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.