Home / 712,002.37-1,067,837.43-206,427.66

Finding the Fourth Proportional to 712,002.37, 1,067,837.43 and 206,427.66

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Solution

The fourth proportional to 712,002.37, 1,067,837.43 and 206,427.66 is: 309,593.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,002.37 : 1,067,837.43 = 206,427.66 : x
  2. Step 2: Convert to fraction form
    712,002.37/1,067,837.43 = 206,427.66/x
  3. Step 3: Cross multiply
    712,002.37x = 1,067,837.43 × 206,427.66
  4. Step 4: Simplify right side
    712,002.37x = 220,431,181,935.31
  5. Step 5: Solve for x
    x = 220,431,181,935.31/712,002.37
  6. Step 6: Final answer
    x = 309,593.33

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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.