Home / 2,719,276.20-4,078,914.30-825,771.60

Finding the Fourth Proportional to 2,719,276.20, 4,078,914.30 and 825,771.60

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Solution

The fourth proportional to 2,719,276.20, 4,078,914.30 and 825,771.60 is: 1,238,657.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,276.20 : 4,078,914.30 = 825,771.60 : x
  2. Step 2: Convert to fraction form
    2,719,276.20/4,078,914.30 = 825,771.60/x
  3. Step 3: Cross multiply
    2,719,276.20x = 4,078,914.30 × 825,771.60
  4. Step 4: Simplify right side
    2,719,276.20x = 3,368,251,587,773.88
  5. Step 5: Solve for x
    x = 3,368,251,587,773.88/2,719,276.20
  6. Step 6: Final answer
    x = 1,238,657.40

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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.