Home / 1,781,481.80-2,672,222.70-519,350.60

Finding the Fourth Proportional to 1,781,481.80, 2,672,222.70 and 519,350.60

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Solution

The fourth proportional to 1,781,481.80, 2,672,222.70 and 519,350.60 is: 779,025.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,481.80 : 2,672,222.70 = 519,350.60 : x
  2. Step 2: Convert to fraction form
    1,781,481.80/2,672,222.70 = 519,350.60/x
  3. Step 3: Cross multiply
    1,781,481.80x = 2,672,222.70 × 519,350.60
  4. Step 4: Simplify right side
    1,781,481.80x = 1,387,820,462,578.62
  5. Step 5: Solve for x
    x = 1,387,820,462,578.62/1,781,481.80
  6. Step 6: Final answer
    x = 779,025.90

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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.