Home / 682,105.28-941,361.44-376,241.60

Finding the Fourth Proportional to 682,105.28, 941,361.44 and 376,241.60

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Solution

The fourth proportional to 682,105.28, 941,361.44 and 376,241.60 is: 519,244.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,105.28 : 941,361.44 = 376,241.60 : x
  2. Step 2: Convert to fraction form
    682,105.28/941,361.44 = 376,241.60/x
  3. Step 3: Cross multiply
    682,105.28x = 941,361.44 × 376,241.60
  4. Step 4: Simplify right side
    682,105.28x = 354,179,334,363.90
  5. Step 5: Solve for x
    x = 354,179,334,363.90/682,105.28
  6. Step 6: Final answer
    x = 519,244.38

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.