Home / 682,406.69-1,023,573.11-209,093.42

Finding the Fourth Proportional to 682,406.69, 1,023,573.11 and 209,093.42

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Solution

The fourth proportional to 682,406.69, 1,023,573.11 and 209,093.42 is: 313,628.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,406.69 : 1,023,573.11 = 209,093.42 : x
  2. Step 2: Convert to fraction form
    682,406.69/1,023,573.11 = 209,093.42/x
  3. Step 3: Cross multiply
    682,406.69x = 1,023,573.11 × 209,093.42
  4. Step 4: Simplify right side
    682,406.69x = 214,022,396,026.60
  5. Step 5: Solve for x
    x = 214,022,396,026.60/682,406.69
  6. Step 6: Final answer
    x = 313,628.81

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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.