Home / 629,033.20-943,549.80-419,081.20

Finding the Fourth Proportional to 629,033.20, 943,549.80 and 419,081.20

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Solution

The fourth proportional to 629,033.20, 943,549.80 and 419,081.20 is: 628,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,033.20 : 943,549.80 = 419,081.20 : x
  2. Step 2: Convert to fraction form
    629,033.20/943,549.80 = 419,081.20/x
  3. Step 3: Cross multiply
    629,033.20x = 943,549.80 × 419,081.20
  4. Step 4: Simplify right side
    629,033.20x = 395,423,982,443.76
  5. Step 5: Solve for x
    x = 395,423,982,443.76/629,033.20
  6. Step 6: Final answer
    x = 628,621.80

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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.