Home / 1,143,356.09-1,577,861.25-627,132.56

Finding the Fourth Proportional to 1,143,356.09, 1,577,861.25 and 627,132.56

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Solution

The fourth proportional to 1,143,356.09, 1,577,861.25 and 627,132.56 is: 865,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,356.09 : 1,577,861.25 = 627,132.56 : x
  2. Step 2: Convert to fraction form
    1,143,356.09/1,577,861.25 = 627,132.56/x
  3. Step 3: Cross multiply
    1,143,356.09x = 1,577,861.25 × 627,132.56
  4. Step 4: Simplify right side
    1,143,356.09x = 989,528,165,037.30
  5. Step 5: Solve for x
    x = 989,528,165,037.30/1,143,356.09
  6. Step 6: Final answer
    x = 865,459.30

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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.