Home / 517,986.27-777,099.60-162,991.06

Finding the Fourth Proportional to 517,986.27, 777,099.60 and 162,991.06

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Solution

The fourth proportional to 517,986.27, 777,099.60 and 162,991.06 is: 244,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,986.27 : 777,099.60 = 162,991.06 : x
  2. Step 2: Convert to fraction form
    517,986.27/777,099.60 = 162,991.06/x
  3. Step 3: Cross multiply
    517,986.27x = 777,099.60 × 162,991.06
  4. Step 4: Simplify right side
    517,986.27x = 126,660,282,829.12
  5. Step 5: Solve for x
    x = 126,660,282,829.12/517,986.27
  6. Step 6: Final answer
    x = 244,524.40

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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.