Home / 682,219.44-1,023,331.56-208,902.72

Finding the Fourth Proportional to 682,219.44, 1,023,331.56 and 208,902.72

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Solution

The fourth proportional to 682,219.44, 1,023,331.56 and 208,902.72 is: 313,354.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,219.44 : 1,023,331.56 = 208,902.72 : x
  2. Step 2: Convert to fraction form
    682,219.44/1,023,331.56 = 208,902.72/x
  3. Step 3: Cross multiply
    682,219.44x = 1,023,331.56 × 208,902.72
  4. Step 4: Simplify right side
    682,219.44x = 213,776,746,345.84
  5. Step 5: Solve for x
    x = 213,776,746,345.84/682,219.44
  6. Step 6: Final answer
    x = 313,354.81

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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.