Home / 738,542.54-1,108,000.44-206,063.25

Finding the Fourth Proportional to 738,542.54, 1,108,000.44 and 206,063.25

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Solution

The fourth proportional to 738,542.54, 1,108,000.44 and 206,063.25 is: 309,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,542.54 : 1,108,000.44 = 206,063.25 : x
  2. Step 2: Convert to fraction form
    738,542.54/1,108,000.44 = 206,063.25/x
  3. Step 3: Cross multiply
    738,542.54x = 1,108,000.44 × 206,063.25
  4. Step 4: Simplify right side
    738,542.54x = 228,318,171,667.83
  5. Step 5: Solve for x
    x = 228,318,171,667.83/738,542.54
  6. Step 6: Final answer
    x = 309,146.95

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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.