Home / 1,227,843.82-1,694,475.50-683,979.44

Finding the Fourth Proportional to 1,227,843.82, 1,694,475.50 and 683,979.44

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Solution

The fourth proportional to 1,227,843.82, 1,694,475.50 and 683,979.44 is: 943,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,843.82 : 1,694,475.50 = 683,979.44 : x
  2. Step 2: Convert to fraction form
    1,227,843.82/1,694,475.50 = 683,979.44/x
  3. Step 3: Cross multiply
    1,227,843.82x = 1,694,475.50 × 683,979.44
  4. Step 4: Simplify right side
    1,227,843.82x = 1,158,986,403,583.72
  5. Step 5: Solve for x
    x = 1,158,986,403,583.72/1,227,843.82
  6. Step 6: Final answer
    x = 943,920.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.