Home / 819,199.20-1,231,423.20-584,169.60

Finding the Fourth Proportional to 819,199.20, 1,231,423.20 and 584,169.60

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Solution

The fourth proportional to 819,199.20, 1,231,423.20 and 584,169.60 is: 878,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,199.20 : 1,231,423.20 = 584,169.60 : x
  2. Step 2: Convert to fraction form
    819,199.20/1,231,423.20 = 584,169.60/x
  3. Step 3: Cross multiply
    819,199.20x = 1,231,423.20 × 584,169.60
  4. Step 4: Simplify right side
    819,199.20x = 719,359,998,174.72
  5. Step 5: Solve for x
    x = 719,359,998,174.72/819,199.20
  6. Step 6: Final answer
    x = 878,125.86

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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.