Home / 1,101,949.72-1,520,573.92-618,568.04

Finding the Fourth Proportional to 1,101,949.72, 1,520,573.92 and 618,568.04

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Solution

The fourth proportional to 1,101,949.72, 1,520,573.92 and 618,568.04 is: 853,558.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,949.72 : 1,520,573.92 = 618,568.04 : x
  2. Step 2: Convert to fraction form
    1,101,949.72/1,520,573.92 = 618,568.04/x
  3. Step 3: Cross multiply
    1,101,949.72x = 1,520,573.92 × 618,568.04
  4. Step 4: Simplify right side
    1,101,949.72x = 940,578,431,624.53
  5. Step 5: Solve for x
    x = 940,578,431,624.53/1,101,949.72
  6. Step 6: Final answer
    x = 853,558.39

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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.