Home / 619,369.02-929,145.87-219,976.29

Finding the Fourth Proportional to 619,369.02, 929,145.87 and 219,976.29

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Solution

The fourth proportional to 619,369.02, 929,145.87 and 219,976.29 is: 329,997.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,369.02 : 929,145.87 = 219,976.29 : x
  2. Step 2: Convert to fraction form
    619,369.02/929,145.87 = 219,976.29/x
  3. Step 3: Cross multiply
    619,369.02x = 929,145.87 × 219,976.29
  4. Step 4: Simplify right side
    619,369.02x = 204,390,061,351.42
  5. Step 5: Solve for x
    x = 204,390,061,351.42/619,369.02
  6. Step 6: Final answer
    x = 329,997.23

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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.