Home / 2,983,517.60-4,475,276.40-853,728.80

Finding the Fourth Proportional to 2,983,517.60, 4,475,276.40 and 853,728.80

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Solution

The fourth proportional to 2,983,517.60, 4,475,276.40 and 853,728.80 is: 1,280,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983,517.60 : 4,475,276.40 = 853,728.80 : x
  2. Step 2: Convert to fraction form
    2,983,517.60/4,475,276.40 = 853,728.80/x
  3. Step 3: Cross multiply
    2,983,517.60x = 4,475,276.40 × 853,728.80
  4. Step 4: Simplify right side
    2,983,517.60x = 3,820,672,350,640.32
  5. Step 5: Solve for x
    x = 3,820,672,350,640.32/2,983,517.60
  6. Step 6: Final answer
    x = 1,280,593.20

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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.