Home / 527,229.61-727,573.23-285,506.65

Finding the Fourth Proportional to 527,229.61, 727,573.23 and 285,506.65

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Solution

The fourth proportional to 527,229.61, 727,573.23 and 285,506.65 is: 393,997.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,229.61 : 727,573.23 = 285,506.65 : x
  2. Step 2: Convert to fraction form
    527,229.61/727,573.23 = 285,506.65/x
  3. Step 3: Cross multiply
    527,229.61x = 727,573.23 × 285,506.65
  4. Step 4: Simplify right side
    527,229.61x = 207,726,991,889.11
  5. Step 5: Solve for x
    x = 207,726,991,889.11/527,229.61
  6. Step 6: Final answer
    x = 393,997.21

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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.