Home / 881,742.97-1,215,663.19-571,092.85

Finding the Fourth Proportional to 881,742.97, 1,215,663.19 and 571,092.85

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Solution

The fourth proportional to 881,742.97, 1,215,663.19 and 571,092.85 is: 787,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,742.97 : 1,215,663.19 = 571,092.85 : x
  2. Step 2: Convert to fraction form
    881,742.97/1,215,663.19 = 571,092.85/x
  3. Step 3: Cross multiply
    881,742.97x = 1,215,663.19 × 571,092.85
  4. Step 4: Simplify right side
    881,742.97x = 694,256,555,817.19
  5. Step 5: Solve for x
    x = 694,256,555,817.19/881,742.97
  6. Step 6: Final answer
    x = 787,368.40

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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.