Home / 2,632,576.50-3,948,864.78-638,032.50

Finding the Fourth Proportional to 2,632,576.50, 3,948,864.78 and 638,032.50

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Solution

The fourth proportional to 2,632,576.50, 3,948,864.78 and 638,032.50 is: 957,048.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632,576.50 : 3,948,864.78 = 638,032.50 : x
  2. Step 2: Convert to fraction form
    2,632,576.50/3,948,864.78 = 638,032.50/x
  3. Step 3: Cross multiply
    2,632,576.50x = 3,948,864.78 × 638,032.50
  4. Step 4: Simplify right side
    2,632,576.50x = 2,519,504,067,745.35
  5. Step 5: Solve for x
    x = 2,519,504,067,745.35/2,632,576.50
  6. Step 6: Final answer
    x = 957,048.76

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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.