Home / 1,206,936.63-1,665,601.92-663,107.67

Finding the Fourth Proportional to 1,206,936.63, 1,665,601.92 and 663,107.67

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Solution

The fourth proportional to 1,206,936.63, 1,665,601.92 and 663,107.67 is: 915,104.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,936.63 : 1,665,601.92 = 663,107.67 : x
  2. Step 2: Convert to fraction form
    1,206,936.63/1,665,601.92 = 663,107.67/x
  3. Step 3: Cross multiply
    1,206,936.63x = 1,665,601.92 × 663,107.67
  4. Step 4: Simplify right side
    1,206,936.63x = 1,104,473,408,318.73
  5. Step 5: Solve for x
    x = 1,104,473,408,318.73/1,206,936.63
  6. Step 6: Final answer
    x = 915,104.72

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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.