Home / 1,603,640.56-2,213,006.36-868,576.55

Finding the Fourth Proportional to 1,603,640.56, 2,213,006.36 and 868,576.55

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Solution

The fourth proportional to 1,603,640.56, 2,213,006.36 and 868,576.55 is: 1,198,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,640.56 : 2,213,006.36 = 868,576.55 : x
  2. Step 2: Convert to fraction form
    1,603,640.56/2,213,006.36 = 868,576.55/x
  3. Step 3: Cross multiply
    1,603,640.56x = 2,213,006.36 × 868,576.55
  4. Step 4: Simplify right side
    1,603,640.56x = 1,922,165,435,694.27
  5. Step 5: Solve for x
    x = 1,922,165,435,694.27/1,603,640.56
  6. Step 6: Final answer
    x = 1,198,626.10

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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.