Home / 827,372.40-1,241,058.60-294,910.80

Finding the Fourth Proportional to 827,372.40, 1,241,058.60 and 294,910.80

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Solution

The fourth proportional to 827,372.40, 1,241,058.60 and 294,910.80 is: 442,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,372.40 : 1,241,058.60 = 294,910.80 : x
  2. Step 2: Convert to fraction form
    827,372.40/1,241,058.60 = 294,910.80/x
  3. Step 3: Cross multiply
    827,372.40x = 1,241,058.60 × 294,910.80
  4. Step 4: Simplify right side
    827,372.40x = 366,001,584,572.88
  5. Step 5: Solve for x
    x = 366,001,584,572.88/827,372.40
  6. Step 6: Final answer
    x = 442,366.20

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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.