Home / 694,879.20-1,042,318.80-196,243.20

Finding the Fourth Proportional to 694,879.20, 1,042,318.80 and 196,243.20

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Solution

The fourth proportional to 694,879.20, 1,042,318.80 and 196,243.20 is: 294,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,879.20 : 1,042,318.80 = 196,243.20 : x
  2. Step 2: Convert to fraction form
    694,879.20/1,042,318.80 = 196,243.20/x
  3. Step 3: Cross multiply
    694,879.20x = 1,042,318.80 × 196,243.20
  4. Step 4: Simplify right side
    694,879.20x = 204,547,976,732.16
  5. Step 5: Solve for x
    x = 204,547,976,732.16/694,879.20
  6. Step 6: Final answer
    x = 294,364.80

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Similar ratio
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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.