Home / 1,719,170.30-2,578,843.75-439,788.85

Finding the Fourth Proportional to 1,719,170.30, 2,578,843.75 and 439,788.85

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Solution

The fourth proportional to 1,719,170.30, 2,578,843.75 and 439,788.85 is: 659,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,170.30 : 2,578,843.75 = 439,788.85 : x
  2. Step 2: Convert to fraction form
    1,719,170.30/2,578,843.75 = 439,788.85/x
  3. Step 3: Cross multiply
    1,719,170.30x = 2,578,843.75 × 439,788.85
  4. Step 4: Simplify right side
    1,719,170.30x = 1,134,146,723,368.90
  5. Step 5: Solve for x
    x = 1,134,146,723,368.90/1,719,170.30
  6. Step 6: Final answer
    x = 659,705.86

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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.