Home / 629,028.20-943,542.30-419,076.20

Finding the Fourth Proportional to 629,028.20, 943,542.30 and 419,076.20

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Solution

The fourth proportional to 629,028.20, 943,542.30 and 419,076.20 is: 628,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,028.20 : 943,542.30 = 419,076.20 : x
  2. Step 2: Convert to fraction form
    629,028.20/943,542.30 = 419,076.20/x
  3. Step 3: Cross multiply
    629,028.20x = 943,542.30 × 419,076.20
  4. Step 4: Simplify right side
    629,028.20x = 395,416,121,623.26
  5. Step 5: Solve for x
    x = 395,416,121,623.26/629,028.20
  6. Step 6: Final answer
    x = 628,614.30

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Double scale
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Similar ratio
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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.