Home / 481,985.37-723,176.37-211,974.57

Finding the Fourth Proportional to 481,985.37, 723,176.37 and 211,974.57

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Solution

The fourth proportional to 481,985.37, 723,176.37 and 211,974.57 is: 318,049.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,985.37 : 723,176.37 = 211,974.57 : x
  2. Step 2: Convert to fraction form
    481,985.37/723,176.37 = 211,974.57/x
  3. Step 3: Cross multiply
    481,985.37x = 723,176.37 × 211,974.57
  4. Step 4: Simplify right side
    481,985.37x = 153,295,000,064.91
  5. Step 5: Solve for x
    x = 153,295,000,064.91/481,985.37
  6. Step 6: Final answer
    x = 318,049.07

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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.