Home / 5,251,208.30-7,876,812.45-4,188,326.30

Finding the Fourth Proportional to 5,251,208.30, 7,876,812.45 and 4,188,326.30

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Solution

The fourth proportional to 5,251,208.30, 7,876,812.45 and 4,188,326.30 is: 6,282,489.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251,208.30 : 7,876,812.45 = 4,188,326.30 : x
  2. Step 2: Convert to fraction form
    5,251,208.30/7,876,812.45 = 4,188,326.30/x
  3. Step 3: Cross multiply
    5,251,208.30x = 7,876,812.45 × 4,188,326.30
  4. Step 4: Simplify right side
    5,251,208.30x = 32,990,660,744,502.43
  5. Step 5: Solve for x
    x = 32,990,660,744,502.43/5,251,208.30
  6. Step 6: Final answer
    x = 6,282,489.45

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Double scale
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Similar ratio
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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.