Home / 712,080.14-1,067,382.06-445,227.86

Finding the Fourth Proportional to 712,080.14, 1,067,382.06 and 445,227.86

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Solution

The fourth proportional to 712,080.14, 1,067,382.06 and 445,227.86 is: 667,380.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,080.14 : 1,067,382.06 = 445,227.86 : x
  2. Step 2: Convert to fraction form
    712,080.14/1,067,382.06 = 445,227.86/x
  3. Step 3: Cross multiply
    712,080.14x = 1,067,382.06 × 445,227.86
  4. Step 4: Simplify right side
    712,080.14x = 475,228,230,376.19
  5. Step 5: Solve for x
    x = 475,228,230,376.19/712,080.14
  6. Step 6: Final answer
    x = 667,380.26

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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.