Home / 769,909.50-1,062,481.99-425,768.58

Finding the Fourth Proportional to 769,909.50, 1,062,481.99 and 425,768.58

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Solution

The fourth proportional to 769,909.50, 1,062,481.99 and 425,768.58 is: 587,564.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,909.50 : 1,062,481.99 = 425,768.58 : x
  2. Step 2: Convert to fraction form
    769,909.50/1,062,481.99 = 425,768.58/x
  3. Step 3: Cross multiply
    769,909.50x = 1,062,481.99 × 425,768.58
  4. Step 4: Simplify right side
    769,909.50x = 452,371,448,157.87
  5. Step 5: Solve for x
    x = 452,371,448,157.87/769,909.50
  6. Step 6: Final answer
    x = 587,564.45

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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.