Home / 791,864.40-1,187,796.60-192,820.80

Finding the Fourth Proportional to 791,864.40, 1,187,796.60 and 192,820.80

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Solution

The fourth proportional to 791,864.40, 1,187,796.60 and 192,820.80 is: 289,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,864.40 : 1,187,796.60 = 192,820.80 : x
  2. Step 2: Convert to fraction form
    791,864.40/1,187,796.60 = 192,820.80/x
  3. Step 3: Cross multiply
    791,864.40x = 1,187,796.60 × 192,820.80
  4. Step 4: Simplify right side
    791,864.40x = 229,031,890,649.28
  5. Step 5: Solve for x
    x = 229,031,890,649.28/791,864.40
  6. Step 6: Final answer
    x = 289,231.20

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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.