Home / 543,974.73-815,961.06-144,615.44

Finding the Fourth Proportional to 543,974.73, 815,961.06 and 144,615.44

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Solution

The fourth proportional to 543,974.73, 815,961.06 and 144,615.44 is: 216,922.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,974.73 : 815,961.06 = 144,615.44 : x
  2. Step 2: Convert to fraction form
    543,974.73/815,961.06 = 144,615.44/x
  3. Step 3: Cross multiply
    543,974.73x = 815,961.06 × 144,615.44
  4. Step 4: Simplify right side
    543,974.73x = 118,000,563,634.96
  5. Step 5: Solve for x
    x = 118,000,563,634.96/543,974.73
  6. Step 6: Final answer
    x = 216,922.88

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1.5x scale

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.