Home / 682,245.60-1,023,368.40-327,076.80

Finding the Fourth Proportional to 682,245.60, 1,023,368.40 and 327,076.80

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Solution

The fourth proportional to 682,245.60, 1,023,368.40 and 327,076.80 is: 490,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,245.60 : 1,023,368.40 = 327,076.80 : x
  2. Step 2: Convert to fraction form
    682,245.60/1,023,368.40 = 327,076.80/x
  3. Step 3: Cross multiply
    682,245.60x = 1,023,368.40 × 327,076.80
  4. Step 4: Simplify right side
    682,245.60x = 334,720,061,493.12
  5. Step 5: Solve for x
    x = 334,720,061,493.12/682,245.60
  6. Step 6: Final answer
    x = 490,615.20

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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.