Home / 481,416.02-722,156.82-126,429.44

Finding the Fourth Proportional to 481,416.02, 722,156.82 and 126,429.44

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Solution

The fourth proportional to 481,416.02, 722,156.82 and 126,429.44 is: 189,652.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,416.02 : 722,156.82 = 126,429.44 : x
  2. Step 2: Convert to fraction form
    481,416.02/722,156.82 = 126,429.44/x
  3. Step 3: Cross multiply
    481,416.02x = 722,156.82 × 126,429.44
  4. Step 4: Simplify right side
    481,416.02x = 91,301,882,344.78
  5. Step 5: Solve for x
    x = 91,301,882,344.78/481,416.02
  6. Step 6: Final answer
    x = 189,652.77

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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.