Home / 527,299.45-727,669.62-285,576.50

Finding the Fourth Proportional to 527,299.45, 727,669.62 and 285,576.50

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Solution

The fourth proportional to 527,299.45, 727,669.62 and 285,576.50 is: 394,093.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,299.45 : 727,669.62 = 285,576.50 : x
  2. Step 2: Convert to fraction form
    527,299.45/727,669.62 = 285,576.50/x
  3. Step 3: Cross multiply
    527,299.45x = 727,669.62 × 285,576.50
  4. Step 4: Simplify right side
    527,299.45x = 207,805,343,235.93
  5. Step 5: Solve for x
    x = 207,805,343,235.93/527,299.45
  6. Step 6: Final answer
    x = 394,093.61

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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.