Home / 1,143,372.04-1,577,842.61-627,115.37

Finding the Fourth Proportional to 1,143,372.04, 1,577,842.61 and 627,115.37

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Solution

The fourth proportional to 1,143,372.04, 1,577,842.61 and 627,115.37 is: 865,413.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,372.04 : 1,577,842.61 = 627,115.37 : x
  2. Step 2: Convert to fraction form
    1,143,372.04/1,577,842.61 = 627,115.37/x
  3. Step 3: Cross multiply
    1,143,372.04x = 1,577,842.61 × 627,115.37
  4. Step 4: Simplify right side
    1,143,372.04x = 989,489,341,147.13
  5. Step 5: Solve for x
    x = 989,489,341,147.13/1,143,372.04
  6. Step 6: Final answer
    x = 865,413.28

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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.