Home / 682,411.39-1,023,580.20-209,098.15

Finding the Fourth Proportional to 682,411.39, 1,023,580.20 and 209,098.15

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Solution

The fourth proportional to 682,411.39, 1,023,580.20 and 209,098.15 is: 313,635.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,411.39 : 1,023,580.20 = 209,098.15 : x
  2. Step 2: Convert to fraction form
    682,411.39/1,023,580.20 = 209,098.15/x
  3. Step 3: Cross multiply
    682,411.39x = 1,023,580.20 × 209,098.15
  4. Step 4: Simplify right side
    682,411.39x = 214,028,726,196.63
  5. Step 5: Solve for x
    x = 214,028,726,196.63/682,411.39
  6. Step 6: Final answer
    x = 313,635.92

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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.