Home / 1,462,081.20-2,193,121.80-397,255.20

Finding the Fourth Proportional to 1,462,081.20, 2,193,121.80 and 397,255.20

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Solution

The fourth proportional to 1,462,081.20, 2,193,121.80 and 397,255.20 is: 595,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,081.20 : 2,193,121.80 = 397,255.20 : x
  2. Step 2: Convert to fraction form
    1,462,081.20/2,193,121.80 = 397,255.20/x
  3. Step 3: Cross multiply
    1,462,081.20x = 2,193,121.80 × 397,255.20
  4. Step 4: Simplify right side
    1,462,081.20x = 871,229,039,283.36
  5. Step 5: Solve for x
    x = 871,229,039,283.36/1,462,081.20
  6. Step 6: Final answer
    x = 595,882.80

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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.