Home / 1,391,898.60-2,086,826.22-444,723.48

Finding the Fourth Proportional to 1,391,898.60, 2,086,826.22 and 444,723.48

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Solution

The fourth proportional to 1,391,898.60, 2,086,826.22 and 444,723.48 is: 666,758.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,898.60 : 2,086,826.22 = 444,723.48 : x
  2. Step 2: Convert to fraction form
    1,391,898.60/2,086,826.22 = 444,723.48/x
  3. Step 3: Cross multiply
    1,391,898.60x = 2,086,826.22 × 444,723.48
  4. Step 4: Simplify right side
    1,391,898.60x = 928,060,618,713.65
  5. Step 5: Solve for x
    x = 928,060,618,713.65/1,391,898.60
  6. Step 6: Final answer
    x = 666,758.78

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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.