Home / 654,245.40-981,432.90-227,715.60

Finding the Fourth Proportional to 654,245.40, 981,432.90 and 227,715.60

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Solution

The fourth proportional to 654,245.40, 981,432.90 and 227,715.60 is: 341,595.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,245.40 : 981,432.90 = 227,715.60 : x
  2. Step 2: Convert to fraction form
    654,245.40/981,432.90 = 227,715.60/x
  3. Step 3: Cross multiply
    654,245.40x = 981,432.90 × 227,715.60
  4. Step 4: Simplify right side
    654,245.40x = 223,487,581,683.24
  5. Step 5: Solve for x
    x = 223,487,581,683.24/654,245.40
  6. Step 6: Final answer
    x = 341,595.95

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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.