Home / 705,198.40-1,057,689.60-231,884.80

Finding the Fourth Proportional to 705,198.40, 1,057,689.60 and 231,884.80

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Solution

The fourth proportional to 705,198.40, 1,057,689.60 and 231,884.80 is: 347,791.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,198.40 : 1,057,689.60 = 231,884.80 : x
  2. Step 2: Convert to fraction form
    705,198.40/1,057,689.60 = 231,884.80/x
  3. Step 3: Cross multiply
    705,198.40x = 1,057,689.60 × 231,884.80
  4. Step 4: Simplify right side
    705,198.40x = 245,262,141,358.08
  5. Step 5: Solve for x
    x = 245,262,141,358.08/705,198.40
  6. Step 6: Final answer
    x = 347,791.69

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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.