Home / 1,136,821.80-1,568,801.88-627,513.24

Finding the Fourth Proportional to 1,136,821.80, 1,568,801.88 and 627,513.24

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Solution

The fourth proportional to 1,136,821.80, 1,568,801.88 and 627,513.24 is: 865,961.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,821.80 : 1,568,801.88 = 627,513.24 : x
  2. Step 2: Convert to fraction form
    1,136,821.80/1,568,801.88 = 627,513.24/x
  3. Step 3: Cross multiply
    1,136,821.80x = 1,568,801.88 × 627,513.24
  4. Step 4: Simplify right side
    1,136,821.80x = 984,443,950,636.89
  5. Step 5: Solve for x
    x = 984,443,950,636.89/1,136,821.80
  6. Step 6: Final answer
    x = 865,961.53

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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.