Home / 483,520.22-667,218.83-279,584.35

Finding the Fourth Proportional to 483,520.22, 667,218.83 and 279,584.35

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Solution

The fourth proportional to 483,520.22, 667,218.83 and 279,584.35 is: 385,803.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,520.22 : 667,218.83 = 279,584.35 : x
  2. Step 2: Convert to fraction form
    483,520.22/667,218.83 = 279,584.35/x
  3. Step 3: Cross multiply
    483,520.22x = 667,218.83 × 279,584.35
  4. Step 4: Simplify right side
    483,520.22x = 186,543,939,827.34
  5. Step 5: Solve for x
    x = 186,543,939,827.34/483,520.22
  6. Step 6: Final answer
    x = 385,803.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.