Home / 858,229.20-1,287,343.80-544,078.80

Finding the Fourth Proportional to 858,229.20, 1,287,343.80 and 544,078.80

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Solution

The fourth proportional to 858,229.20, 1,287,343.80 and 544,078.80 is: 816,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,229.20 : 1,287,343.80 = 544,078.80 : x
  2. Step 2: Convert to fraction form
    858,229.20/1,287,343.80 = 544,078.80/x
  3. Step 3: Cross multiply
    858,229.20x = 1,287,343.80 × 544,078.80
  4. Step 4: Simplify right side
    858,229.20x = 700,416,469,891.44
  5. Step 5: Solve for x
    x = 700,416,469,891.44/858,229.20
  6. Step 6: Final answer
    x = 816,118.20

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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.