Home / 861,270.26-1,187,321.19-605,828.66

Finding the Fourth Proportional to 861,270.26, 1,187,321.19 and 605,828.66

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Solution

The fourth proportional to 861,270.26, 1,187,321.19 and 605,828.66 is: 835,177.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,270.26 : 1,187,321.19 = 605,828.66 : x
  2. Step 2: Convert to fraction form
    861,270.26/1,187,321.19 = 605,828.66/x
  3. Step 3: Cross multiply
    861,270.26x = 1,187,321.19 × 605,828.66
  4. Step 4: Simplify right side
    861,270.26x = 719,313,205,527.31
  5. Step 5: Solve for x
    x = 719,313,205,527.31/861,270.26
  6. Step 6: Final answer
    x = 835,177.11

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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.