Home / 2,777,789.30-4,167,083.17-858,850.09

Finding the Fourth Proportional to 2,777,789.30, 4,167,083.17 and 858,850.09

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Solution

The fourth proportional to 2,777,789.30, 4,167,083.17 and 858,850.09 is: 1,288,398.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777,789.30 : 4,167,083.17 = 858,850.09 : x
  2. Step 2: Convert to fraction form
    2,777,789.30/4,167,083.17 = 858,850.09/x
  3. Step 3: Cross multiply
    2,777,789.30x = 4,167,083.17 × 858,850.09
  4. Step 4: Simplify right side
    2,777,789.30x = 3,578,899,746,247.84
  5. Step 5: Solve for x
    x = 3,578,899,746,247.84/2,777,789.30
  6. Step 6: Final answer
    x = 1,288,398.57

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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.