Home / 682,254.66-1,022,052.17-415,353.18

Finding the Fourth Proportional to 682,254.66, 1,022,052.17 and 415,353.18

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Solution

The fourth proportional to 682,254.66, 1,022,052.17 and 415,353.18 is: 622,220.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,254.66 : 1,022,052.17 = 415,353.18 : x
  2. Step 2: Convert to fraction form
    682,254.66/1,022,052.17 = 415,353.18/x
  3. Step 3: Cross multiply
    682,254.66x = 1,022,052.17 × 415,353.18
  4. Step 4: Simplify right side
    682,254.66x = 424,512,618,935.40
  5. Step 5: Solve for x
    x = 424,512,618,935.40/682,254.66
  6. Step 6: Final answer
    x = 622,220.18

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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.