Home / 861,250.08-1,188,647.28-517,101.60

Finding the Fourth Proportional to 861,250.08, 1,188,647.28 and 517,101.60

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Solution

The fourth proportional to 861,250.08, 1,188,647.28 and 517,101.60 is: 713,673.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,250.08 : 1,188,647.28 = 517,101.60 : x
  2. Step 2: Convert to fraction form
    861,250.08/1,188,647.28 = 517,101.60/x
  3. Step 3: Cross multiply
    861,250.08x = 1,188,647.28 × 517,101.60
  4. Step 4: Simplify right side
    861,250.08x = 614,651,410,323.65
  5. Step 5: Solve for x
    x = 614,651,410,323.65/861,250.08
  6. Step 6: Final answer
    x = 713,673.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.