Home / 827,821.44-1,241,062.44-258,909.84

Finding the Fourth Proportional to 827,821.44, 1,241,062.44 and 258,909.84

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Solution

The fourth proportional to 827,821.44, 1,241,062.44 and 258,909.84 is: 388,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,821.44 : 1,241,062.44 = 258,909.84 : x
  2. Step 2: Convert to fraction form
    827,821.44/1,241,062.44 = 258,909.84/x
  3. Step 3: Cross multiply
    827,821.44x = 1,241,062.44 × 258,909.84
  4. Step 4: Simplify right side
    827,821.44x = 321,323,277,770.41
  5. Step 5: Solve for x
    x = 321,323,277,770.41/827,821.44
  6. Step 6: Final answer
    x = 388,155.30

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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.