Home / 481,407.10-664,339.83-263,616.73

Finding the Fourth Proportional to 481,407.10, 664,339.83 and 263,616.73

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Solution

The fourth proportional to 481,407.10, 664,339.83 and 263,616.73 is: 363,790.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,407.10 : 664,339.83 = 263,616.73 : x
  2. Step 2: Convert to fraction form
    481,407.10/664,339.83 = 263,616.73/x
  3. Step 3: Cross multiply
    481,407.10x = 664,339.83 × 263,616.73
  4. Step 4: Simplify right side
    481,407.10x = 175,131,090,943.94
  5. Step 5: Solve for x
    x = 175,131,090,943.94/481,407.10
  6. Step 6: Final answer
    x = 363,790.01

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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.