Home / 668,279.28-1,002,402.24-194,968.80

Finding the Fourth Proportional to 668,279.28, 1,002,402.24 and 194,968.80

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Solution

The fourth proportional to 668,279.28, 1,002,402.24 and 194,968.80 is: 292,448.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,279.28 : 1,002,402.24 = 194,968.80 : x
  2. Step 2: Convert to fraction form
    668,279.28/1,002,402.24 = 194,968.80/x
  3. Step 3: Cross multiply
    668,279.28x = 1,002,402.24 × 194,968.80
  4. Step 4: Simplify right side
    668,279.28x = 195,437,161,850.11
  5. Step 5: Solve for x
    x = 195,437,161,850.11/668,279.28
  6. Step 6: Final answer
    x = 292,448.33

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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.