Home / 481,723.50-664,729.99-266,823.42

Finding the Fourth Proportional to 481,723.50, 664,729.99 and 266,823.42

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Solution

The fourth proportional to 481,723.50, 664,729.99 and 266,823.42 is: 368,189.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,723.50 : 664,729.99 = 266,823.42 : x
  2. Step 2: Convert to fraction form
    481,723.50/664,729.99 = 266,823.42/x
  3. Step 3: Cross multiply
    481,723.50x = 664,729.99 × 266,823.42
  4. Step 4: Simplify right side
    481,723.50x = 177,365,527,649.45
  5. Step 5: Solve for x
    x = 177,365,527,649.45/481,723.50
  6. Step 6: Final answer
    x = 368,189.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.