Home / 516,536.27-774,821.90-137,457.38

Finding the Fourth Proportional to 516,536.27, 774,821.90 and 137,457.38

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Solution

The fourth proportional to 516,536.27, 774,821.90 and 137,457.38 is: 206,190.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,536.27 : 774,821.90 = 137,457.38 : x
  2. Step 2: Convert to fraction form
    516,536.27/774,821.90 = 137,457.38/x
  3. Step 3: Cross multiply
    516,536.27x = 774,821.90 × 137,457.38
  4. Step 4: Simplify right side
    516,536.27x = 106,504,985,489.75
  5. Step 5: Solve for x
    x = 106,504,985,489.75/516,536.27
  6. Step 6: Final answer
    x = 206,190.72

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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.