Home / 276,327.17-414,490.73-76,647.57

Finding the Fourth Proportional to 276,327.17, 414,490.73 and 76,647.57

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Solution

The fourth proportional to 276,327.17, 414,490.73 and 76,647.57 is: 114,971.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,327.17 : 414,490.73 = 76,647.57 : x
  2. Step 2: Convert to fraction form
    276,327.17/414,490.73 = 76,647.57/x
  3. Step 3: Cross multiply
    276,327.17x = 414,490.73 × 76,647.57
  4. Step 4: Simplify right side
    276,327.17x = 31,769,705,169.57
  5. Step 5: Solve for x
    x = 31,769,705,169.57/276,327.17
  6. Step 6: Final answer
    x = 114,971.34

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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.