Home / 481,796.28-721,905.99-291,680.43

Finding the Fourth Proportional to 481,796.28, 721,905.99 and 291,680.43

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Solution

The fourth proportional to 481,796.28, 721,905.99 and 291,680.43 is: 437,043.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,796.28 : 721,905.99 = 291,680.43 : x
  2. Step 2: Convert to fraction form
    481,796.28/721,905.99 = 291,680.43/x
  3. Step 3: Cross multiply
    481,796.28x = 721,905.99 × 291,680.43
  4. Step 4: Simplify right side
    481,796.28x = 210,565,849,582.78
  5. Step 5: Solve for x
    x = 210,565,849,582.78/481,796.28
  6. Step 6: Final answer
    x = 437,043.33

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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.