Home / 527,226.62-727,573.12-285,509.45

Finding the Fourth Proportional to 527,226.62, 727,573.12 and 285,509.45

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Solution

The fourth proportional to 527,226.62, 727,573.12 and 285,509.45 is: 394,003.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,226.62 : 727,573.12 = 285,509.45 : x
  2. Step 2: Convert to fraction form
    527,226.62/727,573.12 = 285,509.45/x
  3. Step 3: Cross multiply
    527,226.62x = 727,573.12 × 285,509.45
  4. Step 4: Simplify right side
    527,226.62x = 207,729,002,431.14
  5. Step 5: Solve for x
    x = 207,729,002,431.14/527,226.62
  6. Step 6: Final answer
    x = 394,003.25

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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.