Home / 277,408.17-383,215.19-220,747.05

Finding the Fourth Proportional to 277,408.17, 383,215.19 and 220,747.05

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Solution

The fourth proportional to 277,408.17, 383,215.19 and 220,747.05 is: 304,942.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,408.17 : 383,215.19 = 220,747.05 : x
  2. Step 2: Convert to fraction form
    277,408.17/383,215.19 = 220,747.05/x
  3. Step 3: Cross multiply
    277,408.17x = 383,215.19 × 220,747.05
  4. Step 4: Simplify right side
    277,408.17x = 84,593,622,707.69
  5. Step 5: Solve for x
    x = 84,593,622,707.69/277,408.17
  6. Step 6: Final answer
    x = 304,942.79

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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.