Home / 396,664.66-547,342.16-233,328.58

Finding the Fourth Proportional to 396,664.66, 547,342.16 and 233,328.58

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Solution

The fourth proportional to 396,664.66, 547,342.16 and 233,328.58 is: 321,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,664.66 : 547,342.16 = 233,328.58 : x
  2. Step 2: Convert to fraction form
    396,664.66/547,342.16 = 233,328.58/x
  3. Step 3: Cross multiply
    396,664.66x = 547,342.16 × 233,328.58
  4. Step 4: Simplify right side
    396,664.66x = 127,710,568,966.93
  5. Step 5: Solve for x
    x = 127,710,568,966.93/396,664.66
  6. Step 6: Final answer
    x = 321,961.05

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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.