Home / 1,127,691.92-1,556,236.20-618,363.92

Finding the Fourth Proportional to 1,127,691.92, 1,556,236.20 and 618,363.92

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Solution

The fourth proportional to 1,127,691.92, 1,556,236.20 and 618,363.92 is: 853,353.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,691.92 : 1,556,236.20 = 618,363.92 : x
  2. Step 2: Convert to fraction form
    1,127,691.92/1,556,236.20 = 618,363.92/x
  3. Step 3: Cross multiply
    1,127,691.92x = 1,556,236.20 × 618,363.92
  4. Step 4: Simplify right side
    1,127,691.92x = 962,320,317,077.90
  5. Step 5: Solve for x
    x = 962,320,317,077.90/1,127,691.92
  6. Step 6: Final answer
    x = 853,353.92

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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.