Home / 629,023.20-943,534.80-419,071.20

Finding the Fourth Proportional to 629,023.20, 943,534.80 and 419,071.20

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Solution

The fourth proportional to 629,023.20, 943,534.80 and 419,071.20 is: 628,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,023.20 : 943,534.80 = 419,071.20 : x
  2. Step 2: Convert to fraction form
    629,023.20/943,534.80 = 419,071.20/x
  3. Step 3: Cross multiply
    629,023.20x = 943,534.80 × 419,071.20
  4. Step 4: Simplify right side
    629,023.20x = 395,408,260,877.76
  5. Step 5: Solve for x
    x = 395,408,260,877.76/629,023.20
  6. Step 6: Final answer
    x = 628,606.80

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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.