Home / 1,126,997.38-1,689,960.92-653,827.78

Finding the Fourth Proportional to 1,126,997.38, 1,689,960.92 and 653,827.78

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Solution

The fourth proportional to 1,126,997.38, 1,689,960.92 and 653,827.78 is: 980,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,997.38 : 1,689,960.92 = 653,827.78 : x
  2. Step 2: Convert to fraction form
    1,126,997.38/1,689,960.92 = 653,827.78/x
  3. Step 3: Cross multiply
    1,126,997.38x = 1,689,960.92 × 653,827.78
  4. Step 4: Simplify right side
    1,126,997.38x = 1,104,943,396,610.36
  5. Step 5: Solve for x
    x = 1,104,943,396,610.36/1,126,997.38
  6. Step 6: Final answer
    x = 980,431.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.