Home / 627,326.76-940,990.91-171,921.77

Finding the Fourth Proportional to 627,326.76, 940,990.91 and 171,921.77

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Solution

The fourth proportional to 627,326.76, 940,990.91 and 171,921.77 is: 257,882.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,326.76 : 940,990.91 = 171,921.77 : x
  2. Step 2: Convert to fraction form
    627,326.76/940,990.91 = 171,921.77/x
  3. Step 3: Cross multiply
    627,326.76x = 940,990.91 × 171,921.77
  4. Step 4: Simplify right side
    627,326.76x = 161,776,817,236.55
  5. Step 5: Solve for x
    x = 161,776,817,236.55/627,326.76
  6. Step 6: Final answer
    x = 257,882.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.