Home / 1,073,979.39-1,481,722.74-665,934.33

Finding the Fourth Proportional to 1,073,979.39, 1,481,722.74 and 665,934.33

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Solution

The fourth proportional to 1,073,979.39, 1,481,722.74 and 665,934.33 is: 918,760.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,979.39 : 1,481,722.74 = 665,934.33 : x
  2. Step 2: Convert to fraction form
    1,073,979.39/1,481,722.74 = 665,934.33/x
  3. Step 3: Cross multiply
    1,073,979.39x = 1,481,722.74 × 665,934.33
  4. Step 4: Simplify right side
    1,073,979.39x = 986,730,040,107.66
  5. Step 5: Solve for x
    x = 986,730,040,107.66/1,073,979.39
  6. Step 6: Final answer
    x = 918,760.69

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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.