Home / 396,581.25-594,903.06-112,267.20

Finding the Fourth Proportional to 396,581.25, 594,903.06 and 112,267.20

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Solution

The fourth proportional to 396,581.25, 594,903.06 and 112,267.20 is: 168,409.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,581.25 : 594,903.06 = 112,267.20 : x
  2. Step 2: Convert to fraction form
    396,581.25/594,903.06 = 112,267.20/x
  3. Step 3: Cross multiply
    396,581.25x = 594,903.06 × 112,267.20
  4. Step 4: Simplify right side
    396,581.25x = 66,788,100,817.63
  5. Step 5: Solve for x
    x = 66,788,100,817.63/396,581.25
  6. Step 6: Final answer
    x = 168,409.63

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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.