Home / 816,486.73-1,224,257.24-276,562.05

Finding the Fourth Proportional to 816,486.73, 1,224,257.24 and 276,562.05

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Solution

The fourth proportional to 816,486.73, 1,224,257.24 and 276,562.05 is: 414,682.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,486.73 : 1,224,257.24 = 276,562.05 : x
  2. Step 2: Convert to fraction form
    816,486.73/1,224,257.24 = 276,562.05/x
  3. Step 3: Cross multiply
    816,486.73x = 1,224,257.24 × 276,562.05
  4. Step 4: Simplify right side
    816,486.73x = 338,583,092,713.15
  5. Step 5: Solve for x
    x = 338,583,092,713.15/816,486.73
  6. Step 6: Final answer
    x = 414,682.91

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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.