Home / 791,713.20-1,187,569.80-730,887.60

Finding the Fourth Proportional to 791,713.20, 1,187,569.80 and 730,887.60

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Solution

The fourth proportional to 791,713.20, 1,187,569.80 and 730,887.60 is: 1,096,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,713.20 : 1,187,569.80 = 730,887.60 : x
  2. Step 2: Convert to fraction form
    791,713.20/1,187,569.80 = 730,887.60/x
  3. Step 3: Cross multiply
    791,713.20x = 1,187,569.80 × 730,887.60
  4. Step 4: Simplify right side
    791,713.20x = 867,980,040,954.48
  5. Step 5: Solve for x
    x = 867,980,040,954.48/791,713.20
  6. Step 6: Final answer
    x = 1,096,331.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.