Home / 682,556.40-941,921.60-376,635.60

Finding the Fourth Proportional to 682,556.40, 941,921.60 and 376,635.60

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Solution

The fourth proportional to 682,556.40, 941,921.60 and 376,635.60 is: 519,753.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,556.40 : 941,921.60 = 376,635.60 : x
  2. Step 2: Convert to fraction form
    682,556.40/941,921.60 = 376,635.60/x
  3. Step 3: Cross multiply
    682,556.40x = 941,921.60 × 376,635.60
  4. Step 4: Simplify right side
    682,556.40x = 354,761,205,085.78
  5. Step 5: Solve for x
    x = 354,761,205,085.78/682,556.40
  6. Step 6: Final answer
    x = 519,753.69

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Double scale
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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.