Home / 451,961.82-677,942.73-171,479.07

Finding the Fourth Proportional to 451,961.82, 677,942.73 and 171,479.07

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Solution

The fourth proportional to 451,961.82, 677,942.73 and 171,479.07 is: 257,218.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,961.82 : 677,942.73 = 171,479.07 : x
  2. Step 2: Convert to fraction form
    451,961.82/677,942.73 = 171,479.07/x
  3. Step 3: Cross multiply
    451,961.82x = 677,942.73 × 171,479.07
  4. Step 4: Simplify right side
    451,961.82x = 116,252,988,853.66
  5. Step 5: Solve for x
    x = 116,252,988,853.66/451,961.82
  6. Step 6: Final answer
    x = 257,218.61

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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.