Home / 682,231.94-1,023,350.31-208,915.22

Finding the Fourth Proportional to 682,231.94, 1,023,350.31 and 208,915.22

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Solution

The fourth proportional to 682,231.94, 1,023,350.31 and 208,915.22 is: 313,373.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,231.94 : 1,023,350.31 = 208,915.22 : x
  2. Step 2: Convert to fraction form
    682,231.94/1,023,350.31 = 208,915.22/x
  3. Step 3: Cross multiply
    682,231.94x = 1,023,350.31 × 208,915.22
  4. Step 4: Simplify right side
    682,231.94x = 213,793,455,150.72
  5. Step 5: Solve for x
    x = 213,793,455,150.72/682,231.94
  6. Step 6: Final answer
    x = 313,373.56

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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.