Home / 753,873.82-1,040,317.32-431,613.88

Finding the Fourth Proportional to 753,873.82, 1,040,317.32 and 431,613.88

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Solution

The fourth proportional to 753,873.82, 1,040,317.32 and 431,613.88 is: 595,610.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,873.82 : 1,040,317.32 = 431,613.88 : x
  2. Step 2: Convert to fraction form
    753,873.82/1,040,317.32 = 431,613.88/x
  3. Step 3: Cross multiply
    753,873.82x = 1,040,317.32 × 431,613.88
  4. Step 4: Simplify right side
    753,873.82x = 449,015,394,916.40
  5. Step 5: Solve for x
    x = 449,015,394,916.40/753,873.82
  6. Step 6: Final answer
    x = 595,610.81

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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.