Home / 1,215,844.11-1,678,073.22-706,841.73

Finding the Fourth Proportional to 1,215,844.11, 1,678,073.22 and 706,841.73

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Solution

The fourth proportional to 1,215,844.11, 1,678,073.22 and 706,841.73 is: 975,562.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,844.11 : 1,678,073.22 = 706,841.73 : x
  2. Step 2: Convert to fraction form
    1,215,844.11/1,678,073.22 = 706,841.73/x
  3. Step 3: Cross multiply
    1,215,844.11x = 1,678,073.22 × 706,841.73
  4. Step 4: Simplify right side
    1,215,844.11x = 1,186,132,177,891.47
  5. Step 5: Solve for x
    x = 1,186,132,177,891.47/1,215,844.11
  6. Step 6: Final answer
    x = 975,562.71

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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.