Home / 482,121.37-723,188.23-332,321.45

Finding the Fourth Proportional to 482,121.37, 723,188.23 and 332,321.45

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Solution

The fourth proportional to 482,121.37, 723,188.23 and 332,321.45 is: 498,486.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,121.37 : 723,188.23 = 332,321.45 : x
  2. Step 2: Convert to fraction form
    482,121.37/723,188.23 = 332,321.45/x
  3. Step 3: Cross multiply
    482,121.37x = 723,188.23 × 332,321.45
  4. Step 4: Simplify right side
    482,121.37x = 240,330,961,216.53
  5. Step 5: Solve for x
    x = 240,330,961,216.53/482,121.37
  6. Step 6: Final answer
    x = 498,486.43

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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.