Home / 1,387,781.10-1,914,081.23-1,194,517.73

Finding the Fourth Proportional to 1,387,781.10, 1,914,081.23 and 1,194,517.73

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Solution

The fourth proportional to 1,387,781.10, 1,914,081.23 and 1,194,517.73 is: 1,647,524.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,781.10 : 1,914,081.23 = 1,194,517.73 : x
  2. Step 2: Convert to fraction form
    1,387,781.10/1,914,081.23 = 1,194,517.73/x
  3. Step 3: Cross multiply
    1,387,781.10x = 1,914,081.23 × 1,194,517.73
  4. Step 4: Simplify right side
    1,387,781.10x = 2,286,403,973,666.71
  5. Step 5: Solve for x
    x = 2,286,403,973,666.71/1,387,781.10
  6. Step 6: Final answer
    x = 1,647,524.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.