Home / 486,467.24-729,649.50-230,238.44

Finding the Fourth Proportional to 486,467.24, 729,649.50 and 230,238.44

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Solution

The fourth proportional to 486,467.24, 729,649.50 and 230,238.44 is: 345,333.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,467.24 : 729,649.50 = 230,238.44 : x
  2. Step 2: Convert to fraction form
    486,467.24/729,649.50 = 230,238.44/x
  3. Step 3: Cross multiply
    486,467.24x = 729,649.50 × 230,238.44
  4. Step 4: Simplify right side
    486,467.24x = 167,993,362,626.78
  5. Step 5: Solve for x
    x = 167,993,362,626.78/486,467.24
  6. Step 6: Final answer
    x = 345,333.35

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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.