Home / 769,648.23-1,062,107.37-425,493.14

Finding the Fourth Proportional to 769,648.23, 1,062,107.37 and 425,493.14

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Solution

The fourth proportional to 769,648.23, 1,062,107.37 and 425,493.14 is: 587,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,648.23 : 1,062,107.37 = 425,493.14 : x
  2. Step 2: Convert to fraction form
    769,648.23/1,062,107.37 = 425,493.14/x
  3. Step 3: Cross multiply
    769,648.23x = 1,062,107.37 × 425,493.14
  4. Step 4: Simplify right side
    769,648.23x = 451,919,394,567.91
  5. Step 5: Solve for x
    x = 451,919,394,567.91/769,648.23
  6. Step 6: Final answer
    x = 587,176.55

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1.5x scale

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.