Home / 712,002.74-1,067,837.98-206,428.03

Finding the Fourth Proportional to 712,002.74, 1,067,837.98 and 206,428.03

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Solution

The fourth proportional to 712,002.74, 1,067,837.98 and 206,428.03 is: 309,593.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,002.74 : 1,067,837.98 = 206,428.03 : x
  2. Step 2: Convert to fraction form
    712,002.74/1,067,837.98 = 206,428.03/x
  3. Step 3: Cross multiply
    712,002.74x = 1,067,837.98 × 206,428.03
  4. Step 4: Simplify right side
    712,002.74x = 220,431,690,570.58
  5. Step 5: Solve for x
    x = 220,431,690,570.58/712,002.74
  6. Step 6: Final answer
    x = 309,593.88

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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.