Home / 1,258,839.56-1,737,198.57-685,879.73

Finding the Fourth Proportional to 1,258,839.56, 1,737,198.57 and 685,879.73

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Solution

The fourth proportional to 1,258,839.56, 1,737,198.57 and 685,879.73 is: 946,514.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,839.56 : 1,737,198.57 = 685,879.73 : x
  2. Step 2: Convert to fraction form
    1,258,839.56/1,737,198.57 = 685,879.73/x
  3. Step 3: Cross multiply
    1,258,839.56x = 1,737,198.57 × 685,879.73
  4. Step 4: Simplify right side
    1,258,839.56x = 1,191,509,286,147.99
  5. Step 5: Solve for x
    x = 1,191,509,286,147.99/1,258,839.56
  6. Step 6: Final answer
    x = 946,514.01

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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.