Home / 766,010.40-1,149,015.60-682,029.60

Finding the Fourth Proportional to 766,010.40, 1,149,015.60 and 682,029.60

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Solution

The fourth proportional to 766,010.40, 1,149,015.60 and 682,029.60 is: 1,023,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,010.40 : 1,149,015.60 = 682,029.60 : x
  2. Step 2: Convert to fraction form
    766,010.40/1,149,015.60 = 682,029.60/x
  3. Step 3: Cross multiply
    766,010.40x = 1,149,015.60 × 682,029.60
  4. Step 4: Simplify right side
    766,010.40x = 783,662,650,061.76
  5. Step 5: Solve for x
    x = 783,662,650,061.76/766,010.40
  6. Step 6: Final answer
    x = 1,023,044.40

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.