Home / 1,462,165.20-2,193,247.80-397,339.20

Finding the Fourth Proportional to 1,462,165.20, 2,193,247.80 and 397,339.20

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Solution

The fourth proportional to 1,462,165.20, 2,193,247.80 and 397,339.20 is: 596,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,165.20 : 2,193,247.80 = 397,339.20 : x
  2. Step 2: Convert to fraction form
    1,462,165.20/2,193,247.80 = 397,339.20/x
  3. Step 3: Cross multiply
    1,462,165.20x = 2,193,247.80 × 397,339.20
  4. Step 4: Simplify right side
    1,462,165.20x = 871,463,326,253.76
  5. Step 5: Solve for x
    x = 871,463,326,253.76/1,462,165.20
  6. Step 6: Final answer
    x = 596,008.80

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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.