Home / 680,764.41-1,021,257.43-201,040.73

Finding the Fourth Proportional to 680,764.41, 1,021,257.43 and 201,040.73

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Solution

The fourth proportional to 680,764.41, 1,021,257.43 and 201,040.73 is: 301,593.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,764.41 : 1,021,257.43 = 201,040.73 : x
  2. Step 2: Convert to fraction form
    680,764.41/1,021,257.43 = 201,040.73/x
  3. Step 3: Cross multiply
    680,764.41x = 1,021,257.43 × 201,040.73
  4. Step 4: Simplify right side
    680,764.41x = 205,314,339,245.12
  5. Step 5: Solve for x
    x = 205,314,339,245.12/680,764.41
  6. Step 6: Final answer
    x = 301,593.82

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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.