Home / 419,836.58-579,352.62-238,523.34

Finding the Fourth Proportional to 419,836.58, 579,352.62 and 238,523.34

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Solution

The fourth proportional to 419,836.58, 579,352.62 and 238,523.34 is: 329,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,836.58 : 579,352.62 = 238,523.34 : x
  2. Step 2: Convert to fraction form
    419,836.58/579,352.62 = 238,523.34/x
  3. Step 3: Cross multiply
    419,836.58x = 579,352.62 × 238,523.34
  4. Step 4: Simplify right side
    419,836.58x = 138,189,125,027.19
  5. Step 5: Solve for x
    x = 138,189,125,027.19/419,836.58
  6. Step 6: Final answer
    x = 329,149.80

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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.