Home / 834,104.39-1,150,676.82-489,828.60

Finding the Fourth Proportional to 834,104.39, 1,150,676.82 and 489,828.60

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Solution

The fourth proportional to 834,104.39, 1,150,676.82 and 489,828.60 is: 675,736.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,104.39 : 1,150,676.82 = 489,828.60 : x
  2. Step 2: Convert to fraction form
    834,104.39/1,150,676.82 = 489,828.60/x
  3. Step 3: Cross multiply
    834,104.39x = 1,150,676.82 × 489,828.60
  4. Step 4: Simplify right side
    834,104.39x = 563,634,415,793.05
  5. Step 5: Solve for x
    x = 563,634,415,793.05/834,104.39
  6. Step 6: Final answer
    x = 675,736.07

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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.