Home / 1,519,260.20-2,278,890.30-397,329.20

Finding the Fourth Proportional to 1,519,260.20, 2,278,890.30 and 397,329.20

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Solution

The fourth proportional to 1,519,260.20, 2,278,890.30 and 397,329.20 is: 595,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,260.20 : 2,278,890.30 = 397,329.20 : x
  2. Step 2: Convert to fraction form
    1,519,260.20/2,278,890.30 = 397,329.20/x
  3. Step 3: Cross multiply
    1,519,260.20x = 2,278,890.30 × 397,329.20
  4. Step 4: Simplify right side
    1,519,260.20x = 905,469,659,786.76
  5. Step 5: Solve for x
    x = 905,469,659,786.76/1,519,260.20
  6. Step 6: Final answer
    x = 595,993.80

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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.