Home / 693,612.36-1,040,418.54-194,976.36

Finding the Fourth Proportional to 693,612.36, 1,040,418.54 and 194,976.36

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Solution

The fourth proportional to 693,612.36, 1,040,418.54 and 194,976.36 is: 292,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,612.36 : 1,040,418.54 = 194,976.36 : x
  2. Step 2: Convert to fraction form
    693,612.36/1,040,418.54 = 194,976.36/x
  3. Step 3: Cross multiply
    693,612.36x = 1,040,418.54 × 194,976.36
  4. Step 4: Simplify right side
    693,612.36x = 202,857,019,805.71
  5. Step 5: Solve for x
    x = 202,857,019,805.71/693,612.36
  6. Step 6: Final answer
    x = 292,464.54

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Double scale
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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.