Home / 1,085,957.85-1,498,839.90-627,147.12

Finding the Fourth Proportional to 1,085,957.85, 1,498,839.90 and 627,147.12

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Solution

The fourth proportional to 1,085,957.85, 1,498,839.90 and 627,147.12 is: 865,588.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,957.85 : 1,498,839.90 = 627,147.12 : x
  2. Step 2: Convert to fraction form
    1,085,957.85/1,498,839.90 = 627,147.12/x
  3. Step 3: Cross multiply
    1,085,957.85x = 1,498,839.90 × 627,147.12
  4. Step 4: Simplify right side
    1,085,957.85x = 939,993,126,626.09
  5. Step 5: Solve for x
    x = 939,993,126,626.09/1,085,957.85
  6. Step 6: Final answer
    x = 865,588.96

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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.