Home / 413,815.68-620,610.24-114,224.64

Finding the Fourth Proportional to 413,815.68, 620,610.24 and 114,224.64

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Solution

The fourth proportional to 413,815.68, 620,610.24 and 114,224.64 is: 171,305.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,815.68 : 620,610.24 = 114,224.64 : x
  2. Step 2: Convert to fraction form
    413,815.68/620,610.24 = 114,224.64/x
  3. Step 3: Cross multiply
    413,815.68x = 620,610.24 × 114,224.64
  4. Step 4: Simplify right side
    413,815.68x = 70,888,981,244.31
  5. Step 5: Solve for x
    x = 70,888,981,244.31/413,815.68
  6. Step 6: Final answer
    x = 171,305.69

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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.