Home / 396,308.14-594,496.77-112,001.68

Finding the Fourth Proportional to 396,308.14, 594,496.77 and 112,001.68

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Solution

The fourth proportional to 396,308.14, 594,496.77 and 112,001.68 is: 168,012.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,308.14 : 594,496.77 = 112,001.68 : x
  2. Step 2: Convert to fraction form
    396,308.14/594,496.77 = 112,001.68/x
  3. Step 3: Cross multiply
    396,308.14x = 594,496.77 × 112,001.68
  4. Step 4: Simplify right side
    396,308.14x = 66,584,636,994.57
  5. Step 5: Solve for x
    x = 66,584,636,994.57/396,308.14
  6. Step 6: Final answer
    x = 168,012.29

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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.