Home / 1,204,359.38-1,662,015.94-667,815.38

Finding the Fourth Proportional to 1,204,359.38, 1,662,015.94 and 667,815.38

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Solution

The fourth proportional to 1,204,359.38, 1,662,015.94 and 667,815.38 is: 921,585.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,359.38 : 1,662,015.94 = 667,815.38 : x
  2. Step 2: Convert to fraction form
    1,204,359.38/1,662,015.94 = 667,815.38/x
  3. Step 3: Cross multiply
    1,204,359.38x = 1,662,015.94 × 667,815.38
  4. Step 4: Simplify right side
    1,204,359.38x = 1,109,919,796,557.54
  5. Step 5: Solve for x
    x = 1,109,919,796,557.54/1,204,359.38
  6. Step 6: Final answer
    x = 921,585.22

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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.