Home / 861,237.85-1,187,276.43-605,796.25

Finding the Fourth Proportional to 861,237.85, 1,187,276.43 and 605,796.25

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Solution

The fourth proportional to 861,237.85, 1,187,276.43 and 605,796.25 is: 835,132.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,237.85 : 1,187,276.43 = 605,796.25 : x
  2. Step 2: Convert to fraction form
    861,237.85/1,187,276.43 = 605,796.25/x
  3. Step 3: Cross multiply
    861,237.85x = 1,187,276.43 × 605,796.25
  4. Step 4: Simplify right side
    861,237.85x = 719,247,609,007.39
  5. Step 5: Solve for x
    x = 719,247,609,007.39/861,237.85
  6. Step 6: Final answer
    x = 835,132.37

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1.5x scale

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.