Home / 682,161.92-1,022,786.36-326,982.20

Finding the Fourth Proportional to 682,161.92, 1,022,786.36 and 326,982.20

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Solution

The fourth proportional to 682,161.92, 1,022,786.36 and 326,982.20 is: 490,254.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,161.92 : 1,022,786.36 = 326,982.20 : x
  2. Step 2: Convert to fraction form
    682,161.92/1,022,786.36 = 326,982.20/x
  3. Step 3: Cross multiply
    682,161.92x = 1,022,786.36 × 326,982.20
  4. Step 4: Simplify right side
    682,161.92x = 334,432,934,122.79
  5. Step 5: Solve for x
    x = 334,432,934,122.79/682,161.92
  6. Step 6: Final answer
    x = 490,254.48

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1.5x scale

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.