Home / 481,422.04-722,165.84-126,435.44

Finding the Fourth Proportional to 481,422.04, 722,165.84 and 126,435.44

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Solution

The fourth proportional to 481,422.04, 722,165.84 and 126,435.44 is: 189,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,422.04 : 722,165.84 = 126,435.44 : x
  2. Step 2: Convert to fraction form
    481,422.04/722,165.84 = 126,435.44/x
  3. Step 3: Cross multiply
    481,422.04x = 722,165.84 × 126,435.44
  4. Step 4: Simplify right side
    481,422.04x = 91,307,355,733.37
  5. Step 5: Solve for x
    x = 91,307,355,733.37/481,422.04
  6. Step 6: Final answer
    x = 189,661.77

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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.