Home / 527,383.44-727,789.05-285,664.05

Finding the Fourth Proportional to 527,383.44, 727,789.05 and 285,664.05

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Solution

The fourth proportional to 527,383.44, 727,789.05 and 285,664.05 is: 394,216.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,383.44 : 727,789.05 = 285,664.05 : x
  2. Step 2: Convert to fraction form
    527,383.44/727,789.05 = 285,664.05/x
  3. Step 3: Cross multiply
    527,383.44x = 727,789.05 × 285,664.05
  4. Step 4: Simplify right side
    527,383.44x = 207,903,167,568.65
  5. Step 5: Solve for x
    x = 207,903,167,568.65/527,383.44
  6. Step 6: Final answer
    x = 394,216.34

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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.