Home / 5,548,439.20-8,322,658.80-4,288,727.20

Finding the Fourth Proportional to 5,548,439.20, 8,322,658.80 and 4,288,727.20

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Solution

The fourth proportional to 5,548,439.20, 8,322,658.80 and 4,288,727.20 is: 6,433,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548,439.20 : 8,322,658.80 = 4,288,727.20 : x
  2. Step 2: Convert to fraction form
    5,548,439.20/8,322,658.80 = 4,288,727.20/x
  3. Step 3: Cross multiply
    5,548,439.20x = 8,322,658.80 × 4,288,727.20
  4. Step 4: Simplify right side
    5,548,439.20x = 35,693,613,171,879.36
  5. Step 5: Solve for x
    x = 35,693,613,171,879.36/5,548,439.20
  6. Step 6: Final answer
    x = 6,433,090.80

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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.