Home / 527,736.36-791,715.54-172,722.84

Finding the Fourth Proportional to 527,736.36, 791,715.54 and 172,722.84

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Solution

The fourth proportional to 527,736.36, 791,715.54 and 172,722.84 is: 259,120.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,736.36 : 791,715.54 = 172,722.84 : x
  2. Step 2: Convert to fraction form
    527,736.36/791,715.54 = 172,722.84/x
  3. Step 3: Cross multiply
    527,736.36x = 791,715.54 × 172,722.84
  4. Step 4: Simplify right side
    527,736.36x = 136,747,356,540.93
  5. Step 5: Solve for x
    x = 136,747,356,540.93/527,736.36
  6. Step 6: Final answer
    x = 259,120.59

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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.