Home / 1,253,290.96-1,722,891.17-1,078,221.61

Finding the Fourth Proportional to 1,253,290.96, 1,722,891.17 and 1,078,221.61

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Solution

The fourth proportional to 1,253,290.96, 1,722,891.17 and 1,078,221.61 is: 1,482,224.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,290.96 : 1,722,891.17 = 1,078,221.61 : x
  2. Step 2: Convert to fraction form
    1,253,290.96/1,722,891.17 = 1,078,221.61/x
  3. Step 3: Cross multiply
    1,253,290.96x = 1,722,891.17 × 1,078,221.61
  4. Step 4: Simplify right side
    1,253,290.96x = 1,857,658,491,172.18
  5. Step 5: Solve for x
    x = 1,857,658,491,172.18/1,253,290.96
  6. Step 6: Final answer
    x = 1,482,224.44

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.