Home / 517,690.20-776,535.66-162,735.24

Finding the Fourth Proportional to 517,690.20, 776,535.66 and 162,735.24

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Solution

The fourth proportional to 517,690.20, 776,535.66 and 162,735.24 is: 244,102.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,690.20 : 776,535.66 = 162,735.24 : x
  2. Step 2: Convert to fraction form
    517,690.20/776,535.66 = 162,735.24/x
  3. Step 3: Cross multiply
    517,690.20x = 776,535.66 × 162,735.24
  4. Step 4: Simplify right side
    517,690.20x = 126,369,716,998.66
  5. Step 5: Solve for x
    x = 126,369,716,998.66/517,690.20
  6. Step 6: Final answer
    x = 244,102.97

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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.