Home / 693,456.80-1,040,185.20-194,820.80

Finding the Fourth Proportional to 693,456.80, 1,040,185.20 and 194,820.80

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Solution

The fourth proportional to 693,456.80, 1,040,185.20 and 194,820.80 is: 292,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,456.80 : 1,040,185.20 = 194,820.80 : x
  2. Step 2: Convert to fraction form
    693,456.80/1,040,185.20 = 194,820.80/x
  3. Step 3: Cross multiply
    693,456.80x = 1,040,185.20 × 194,820.80
  4. Step 4: Simplify right side
    693,456.80x = 202,649,712,812.16
  5. Step 5: Solve for x
    x = 202,649,712,812.16/693,456.80
  6. Step 6: Final answer
    x = 292,231.20

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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.