Home / 809,098.74-1,213,248.75-247,997.94

Finding the Fourth Proportional to 809,098.74, 1,213,248.75 and 247,997.94

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Solution

The fourth proportional to 809,098.74, 1,213,248.75 and 247,997.94 is: 371,874.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,098.74 : 1,213,248.75 = 247,997.94 : x
  2. Step 2: Convert to fraction form
    809,098.74/1,213,248.75 = 247,997.94/x
  3. Step 3: Cross multiply
    809,098.74x = 1,213,248.75 × 247,997.94
  4. Step 4: Simplify right side
    809,098.74x = 300,883,190,707.58
  5. Step 5: Solve for x
    x = 300,883,190,707.58/809,098.74
  6. Step 6: Final answer
    x = 371,874.50

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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.