Home / 620,251.92-929,786.94-199,232.28

Finding the Fourth Proportional to 620,251.92, 929,786.94 and 199,232.28

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Solution

The fourth proportional to 620,251.92, 929,786.94 and 199,232.28 is: 298,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,251.92 : 929,786.94 = 199,232.28 : x
  2. Step 2: Convert to fraction form
    620,251.92/929,786.94 = 199,232.28/x
  3. Step 3: Cross multiply
    620,251.92x = 929,786.94 × 199,232.28
  4. Step 4: Simplify right side
    620,251.92x = 185,243,571,970.42
  5. Step 5: Solve for x
    x = 185,243,571,970.42/620,251.92
  6. Step 6: Final answer
    x = 298,658.60

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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.