Home / 449,786.22-674,865.84-196,936.20

Finding the Fourth Proportional to 449,786.22, 674,865.84 and 196,936.20

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Solution

The fourth proportional to 449,786.22, 674,865.84 and 196,936.20 is: 295,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,786.22 : 674,865.84 = 196,936.20 : x
  2. Step 2: Convert to fraction form
    449,786.22/674,865.84 = 196,936.20/x
  3. Step 3: Cross multiply
    449,786.22x = 674,865.84 × 196,936.20
  4. Step 4: Simplify right side
    449,786.22x = 132,905,514,039.41
  5. Step 5: Solve for x
    x = 132,905,514,039.41/449,786.22
  6. Step 6: Final answer
    x = 295,485.96

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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.