Home / 682,076.07-941,249.34-376,143.72

Finding the Fourth Proportional to 682,076.07, 941,249.34 and 376,143.72

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Solution

The fourth proportional to 682,076.07, 941,249.34 and 376,143.72 is: 519,069.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,076.07 : 941,249.34 = 376,143.72 : x
  2. Step 2: Convert to fraction form
    682,076.07/941,249.34 = 376,143.72/x
  3. Step 3: Cross multiply
    682,076.07x = 941,249.34 × 376,143.72
  4. Step 4: Simplify right side
    682,076.07x = 354,045,028,195.15
  5. Step 5: Solve for x
    x = 354,045,028,195.15/682,076.07
  6. Step 6: Final answer
    x = 519,069.71

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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.