Home / 668,058.60-1,002,087.90-194,791.80

Finding the Fourth Proportional to 668,058.60, 1,002,087.90 and 194,791.80

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Solution

The fourth proportional to 668,058.60, 1,002,087.90 and 194,791.80 is: 292,187.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,058.60 : 1,002,087.90 = 194,791.80 : x
  2. Step 2: Convert to fraction form
    668,058.60/1,002,087.90 = 194,791.80/x
  3. Step 3: Cross multiply
    668,058.60x = 1,002,087.90 × 194,791.80
  4. Step 4: Simplify right side
    668,058.60x = 195,198,505,799.22
  5. Step 5: Solve for x
    x = 195,198,505,799.22/668,058.60
  6. Step 6: Final answer
    x = 292,187.70

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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.