Home / 827,999.60-1,241,999.40-379,227.20

Finding the Fourth Proportional to 827,999.60, 1,241,999.40 and 379,227.20

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Solution

The fourth proportional to 827,999.60, 1,241,999.40 and 379,227.20 is: 568,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,999.60 : 1,241,999.40 = 379,227.20 : x
  2. Step 2: Convert to fraction form
    827,999.60/1,241,999.40 = 379,227.20/x
  3. Step 3: Cross multiply
    827,999.60x = 1,241,999.40 × 379,227.20
  4. Step 4: Simplify right side
    827,999.60x = 470,999,954,863.68
  5. Step 5: Solve for x
    x = 470,999,954,863.68/827,999.60
  6. Step 6: Final answer
    x = 568,840.80

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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.