Home / 396,973.42-595,459.23-172,304.74

Finding the Fourth Proportional to 396,973.42, 595,459.23 and 172,304.74

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Solution

The fourth proportional to 396,973.42, 595,459.23 and 172,304.74 is: 258,456.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,973.42 : 595,459.23 = 172,304.74 : x
  2. Step 2: Convert to fraction form
    396,973.42/595,459.23 = 172,304.74/x
  3. Step 3: Cross multiply
    396,973.42x = 595,459.23 × 172,304.74
  4. Step 4: Simplify right side
    396,973.42x = 102,600,447,805.75
  5. Step 5: Solve for x
    x = 102,600,447,805.75/396,973.42
  6. Step 6: Final answer
    x = 258,456.72

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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.