Home / 481,426.02-721,869.06-329,794.42

Finding the Fourth Proportional to 481,426.02, 721,869.06 and 329,794.42

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Solution

The fourth proportional to 481,426.02, 721,869.06 and 329,794.42 is: 494,506.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,426.02 : 721,869.06 = 329,794.42 : x
  2. Step 2: Convert to fraction form
    481,426.02/721,869.06 = 329,794.42/x
  3. Step 3: Cross multiply
    481,426.02x = 721,869.06 × 329,794.42
  4. Step 4: Simplify right side
    481,426.02x = 238,068,387,958.65
  5. Step 5: Solve for x
    x = 238,068,387,958.65/481,426.02
  6. Step 6: Final answer
    x = 494,506.69

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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.