Home / 712,451.20-1,067,186.40-333,695.20

Finding the Fourth Proportional to 712,451.20, 1,067,186.40 and 333,695.20

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Solution

The fourth proportional to 712,451.20, 1,067,186.40 and 333,695.20 is: 499,844.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,451.20 : 1,067,186.40 = 333,695.20 : x
  2. Step 2: Convert to fraction form
    712,451.20/1,067,186.40 = 333,695.20/x
  3. Step 3: Cross multiply
    712,451.20x = 1,067,186.40 × 333,695.20
  4. Step 4: Simplify right side
    712,451.20x = 356,114,979,185.28
  5. Step 5: Solve for x
    x = 356,114,979,185.28/712,451.20
  6. Step 6: Final answer
    x = 499,844.73

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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.