Home / 419,864.58-579,392.19-238,552.56

Finding the Fourth Proportional to 419,864.58, 579,392.19 and 238,552.56

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Solution

The fourth proportional to 419,864.58, 579,392.19 and 238,552.56 is: 329,190.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,864.58 : 579,392.19 = 238,552.56 : x
  2. Step 2: Convert to fraction form
    419,864.58/579,392.19 = 238,552.56/x
  3. Step 3: Cross multiply
    419,864.58x = 579,392.19 × 238,552.56
  4. Step 4: Simplify right side
    419,864.58x = 138,215,490,168.51
  5. Step 5: Solve for x
    x = 138,215,490,168.51/419,864.58
  6. Step 6: Final answer
    x = 329,190.64

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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.