Home / 694,153.60-1,040,452.80-394,777.60

Finding the Fourth Proportional to 694,153.60, 1,040,452.80 and 394,777.60

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Solution

The fourth proportional to 694,153.60, 1,040,452.80 and 394,777.60 is: 591,724.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,153.60 : 1,040,452.80 = 394,777.60 : x
  2. Step 2: Convert to fraction form
    694,153.60/1,040,452.80 = 394,777.60/x
  3. Step 3: Cross multiply
    694,153.60x = 1,040,452.80 × 394,777.60
  4. Step 4: Simplify right side
    694,153.60x = 410,747,459,297.28
  5. Step 5: Solve for x
    x = 410,747,459,297.28/694,153.60
  6. Step 6: Final answer
    x = 591,724.16

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1.5x scale

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.