Home / 827,741.40-1,241,612.10-295,279.80

Finding the Fourth Proportional to 827,741.40, 1,241,612.10 and 295,279.80

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Solution

The fourth proportional to 827,741.40, 1,241,612.10 and 295,279.80 is: 442,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,741.40 : 1,241,612.10 = 295,279.80 : x
  2. Step 2: Convert to fraction form
    827,741.40/1,241,612.10 = 295,279.80/x
  3. Step 3: Cross multiply
    827,741.40x = 1,241,612.10 × 295,279.80
  4. Step 4: Simplify right side
    827,741.40x = 366,622,972,565.58
  5. Step 5: Solve for x
    x = 366,622,972,565.58/827,741.40
  6. Step 6: Final answer
    x = 442,919.70

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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.