Home / 527,198.65-727,532.81-285,481.22

Finding the Fourth Proportional to 527,198.65, 727,532.81 and 285,481.22

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Solution

The fourth proportional to 527,198.65, 727,532.81 and 285,481.22 is: 393,963.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,198.65 : 727,532.81 = 285,481.22 : x
  2. Step 2: Convert to fraction form
    527,198.65/727,532.81 = 285,481.22/x
  3. Step 3: Cross multiply
    527,198.65x = 727,532.81 × 285,481.22
  4. Step 4: Simplify right side
    527,198.65x = 207,696,949,123.76
  5. Step 5: Solve for x
    x = 207,696,949,123.76/527,198.65
  6. Step 6: Final answer
    x = 393,963.36

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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.