Home / 494,786.70-682,869.94-277,078.26

Finding the Fourth Proportional to 494,786.70, 682,869.94 and 277,078.26

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Solution

The fourth proportional to 494,786.70, 682,869.94 and 277,078.26 is: 382,404.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,786.70 : 682,869.94 = 277,078.26 : x
  2. Step 2: Convert to fraction form
    494,786.70/682,869.94 = 277,078.26/x
  3. Step 3: Cross multiply
    494,786.70x = 682,869.94 × 277,078.26
  4. Step 4: Simplify right side
    494,786.70x = 189,208,414,781.50
  5. Step 5: Solve for x
    x = 189,208,414,781.50/494,786.70
  6. Step 6: Final answer
    x = 382,404.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.