Home / 694,503.90-1,040,200.65-414,567.90

Finding the Fourth Proportional to 694,503.90, 1,040,200.65 and 414,567.90

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Solution

The fourth proportional to 694,503.90, 1,040,200.65 and 414,567.90 is: 620,923.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,503.90 : 1,040,200.65 = 414,567.90 : x
  2. Step 2: Convert to fraction form
    694,503.90/1,040,200.65 = 414,567.90/x
  3. Step 3: Cross multiply
    694,503.90x = 1,040,200.65 × 414,567.90
  4. Step 4: Simplify right side
    694,503.90x = 431,233,799,049.14
  5. Step 5: Solve for x
    x = 431,233,799,049.14/694,503.90
  6. Step 6: Final answer
    x = 620,923.51

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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.