Home / 794,286.20-1,192,019.92-320,975.66

Finding the Fourth Proportional to 794,286.20, 1,192,019.92 and 320,975.66

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Solution

The fourth proportional to 794,286.20, 1,192,019.92 and 320,975.66 is: 481,702.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,286.20 : 1,192,019.92 = 320,975.66 : x
  2. Step 2: Convert to fraction form
    794,286.20/1,192,019.92 = 320,975.66/x
  3. Step 3: Cross multiply
    794,286.20x = 1,192,019.92 × 320,975.66
  4. Step 4: Simplify right side
    794,286.20x = 382,609,380,555.15
  5. Step 5: Solve for x
    x = 382,609,380,555.15/794,286.20
  6. Step 6: Final answer
    x = 481,702.16

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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.