Home / 827,463.20-1,241,194.80-295,001.60

Finding the Fourth Proportional to 827,463.20, 1,241,194.80 and 295,001.60

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Solution

The fourth proportional to 827,463.20, 1,241,194.80 and 295,001.60 is: 442,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,463.20 : 1,241,194.80 = 295,001.60 : x
  2. Step 2: Convert to fraction form
    827,463.20/1,241,194.80 = 295,001.60/x
  3. Step 3: Cross multiply
    827,463.20x = 1,241,194.80 × 295,001.60
  4. Step 4: Simplify right side
    827,463.20x = 366,154,451,911.68
  5. Step 5: Solve for x
    x = 366,154,451,911.68/827,463.20
  6. Step 6: Final answer
    x = 442,502.40

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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.