Home / 998,896.38-1,379,589.75-923,313.66

Finding the Fourth Proportional to 998,896.38, 1,379,589.75 and 923,313.66

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Solution

The fourth proportional to 998,896.38, 1,379,589.75 and 923,313.66 is: 1,275,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,896.38 : 1,379,589.75 = 923,313.66 : x
  2. Step 2: Convert to fraction form
    998,896.38/1,379,589.75 = 923,313.66/x
  3. Step 3: Cross multiply
    998,896.38x = 1,379,589.75 × 923,313.66
  4. Step 4: Simplify right side
    998,896.38x = 1,273,794,061,370.99
  5. Step 5: Solve for x
    x = 1,273,794,061,370.99/998,896.38
  6. Step 6: Final answer
    x = 1,275,201.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.