Home / 694,476.40-1,040,159.40-414,540.40

Finding the Fourth Proportional to 694,476.40, 1,040,159.40 and 414,540.40

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Solution

The fourth proportional to 694,476.40, 1,040,159.40 and 414,540.40 is: 620,882.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,476.40 : 1,040,159.40 = 414,540.40 : x
  2. Step 2: Convert to fraction form
    694,476.40/1,040,159.40 = 414,540.40/x
  3. Step 3: Cross multiply
    694,476.40x = 1,040,159.40 × 414,540.40
  4. Step 4: Simplify right side
    694,476.40x = 431,188,093,739.76
  5. Step 5: Solve for x
    x = 431,188,093,739.76/694,476.40
  6. Step 6: Final answer
    x = 620,882.28

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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.