Home / 413,039.14-619,736.31-223,634.86

Finding the Fourth Proportional to 413,039.14, 619,736.31 and 223,634.86

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Solution

The fourth proportional to 413,039.14, 619,736.31 and 223,634.86 is: 335,548.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,039.14 : 619,736.31 = 223,634.86 : x
  2. Step 2: Convert to fraction form
    413,039.14/619,736.31 = 223,634.86/x
  3. Step 3: Cross multiply
    413,039.14x = 619,736.31 × 223,634.86
  4. Step 4: Simplify right side
    413,039.14x = 138,594,641,374.43
  5. Step 5: Solve for x
    x = 138,594,641,374.43/413,039.14
  6. Step 6: Final answer
    x = 335,548.45

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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.