Home / 1,101,812.97-1,520,650.27-618,404.56

Finding the Fourth Proportional to 1,101,812.97, 1,520,650.27 and 618,404.56

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Solution

The fourth proportional to 1,101,812.97, 1,520,650.27 and 618,404.56 is: 853,481.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,812.97 : 1,520,650.27 = 618,404.56 : x
  2. Step 2: Convert to fraction form
    1,101,812.97/1,520,650.27 = 618,404.56/x
  3. Step 3: Cross multiply
    1,101,812.97x = 1,520,650.27 × 618,404.56
  4. Step 4: Simplify right side
    1,101,812.97x = 940,377,061,133.23
  5. Step 5: Solve for x
    x = 940,377,061,133.23/1,101,812.97
  6. Step 6: Final answer
    x = 853,481.57

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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.