Home / 1,101,568.14-1,520,159.94-618,132.20

Finding the Fourth Proportional to 1,101,568.14, 1,520,159.94 and 618,132.20

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Solution

The fourth proportional to 1,101,568.14, 1,520,159.94 and 618,132.20 is: 853,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,568.14 : 1,520,159.94 = 618,132.20 : x
  2. Step 2: Convert to fraction form
    1,101,568.14/1,520,159.94 = 618,132.20/x
  3. Step 3: Cross multiply
    1,101,568.14x = 1,520,159.94 × 618,132.20
  4. Step 4: Simplify right side
    1,101,568.14x = 939,659,800,463.27
  5. Step 5: Solve for x
    x = 939,659,800,463.27/1,101,568.14
  6. Step 6: Final answer
    x = 853,020.13

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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.