Home / 629,032.20-943,548.30-419,080.20

Finding the Fourth Proportional to 629,032.20, 943,548.30 and 419,080.20

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Solution

The fourth proportional to 629,032.20, 943,548.30 and 419,080.20 is: 628,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,032.20 : 943,548.30 = 419,080.20 : x
  2. Step 2: Convert to fraction form
    629,032.20/943,548.30 = 419,080.20/x
  3. Step 3: Cross multiply
    629,032.20x = 943,548.30 × 419,080.20
  4. Step 4: Simplify right side
    629,032.20x = 395,422,410,273.66
  5. Step 5: Solve for x
    x = 395,422,410,273.66/629,032.20
  6. Step 6: Final answer
    x = 628,620.30

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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.