Home / 1,040,151.05-1,560,226.58-639,492.65

Finding the Fourth Proportional to 1,040,151.05, 1,560,226.58 and 639,492.65

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Solution

The fourth proportional to 1,040,151.05, 1,560,226.58 and 639,492.65 is: 959,238.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,151.05 : 1,560,226.58 = 639,492.65 : x
  2. Step 2: Convert to fraction form
    1,040,151.05/1,560,226.58 = 639,492.65/x
  3. Step 3: Cross multiply
    1,040,151.05x = 1,560,226.58 × 639,492.65
  4. Step 4: Simplify right side
    1,040,151.05x = 997,753,427,047.17
  5. Step 5: Solve for x
    x = 997,753,427,047.17/1,040,151.05
  6. Step 6: Final answer
    x = 959,238.98

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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.