Home / 277,815.72-416,285.76-214,789.56

Finding the Fourth Proportional to 277,815.72, 416,285.76 and 214,789.56

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Solution

The fourth proportional to 277,815.72, 416,285.76 and 214,789.56 is: 321,845.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,815.72 : 416,285.76 = 214,789.56 : x
  2. Step 2: Convert to fraction form
    277,815.72/416,285.76 = 214,789.56/x
  3. Step 3: Cross multiply
    277,815.72x = 416,285.76 × 214,789.56
  4. Step 4: Simplify right side
    277,815.72x = 89,413,835,224.67
  5. Step 5: Solve for x
    x = 89,413,835,224.67/277,815.72
  6. Step 6: Final answer
    x = 321,845.85

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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.