Home / 682,422.17-1,023,596.28-209,108.90

Finding the Fourth Proportional to 682,422.17, 1,023,596.28 and 209,108.90

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Solution

The fourth proportional to 682,422.17, 1,023,596.28 and 209,108.90 is: 313,652.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,422.17 : 1,023,596.28 = 209,108.90 : x
  2. Step 2: Convert to fraction form
    682,422.17/1,023,596.28 = 209,108.90/x
  3. Step 3: Cross multiply
    682,422.17x = 1,023,596.28 × 209,108.90
  4. Step 4: Simplify right side
    682,422.17x = 214,043,094,713.88
  5. Step 5: Solve for x
    x = 214,043,094,713.88/682,422.17
  6. Step 6: Final answer
    x = 313,652.03

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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.