Home / 591,065.75-815,690.31-322,793.75

Finding the Fourth Proportional to 591,065.75, 815,690.31 and 322,793.75

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Solution

The fourth proportional to 591,065.75, 815,690.31 and 322,793.75 is: 445,466.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,065.75 : 815,690.31 = 322,793.75 : x
  2. Step 2: Convert to fraction form
    591,065.75/815,690.31 = 322,793.75/x
  3. Step 3: Cross multiply
    591,065.75x = 815,690.31 × 322,793.75
  4. Step 4: Simplify right side
    591,065.75x = 263,299,734,003.56
  5. Step 5: Solve for x
    x = 263,299,734,003.56/591,065.75
  6. Step 6: Final answer
    x = 445,466.07

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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.