Home / 2,661,265.82-3,991,898.33-639,509.77

Finding the Fourth Proportional to 2,661,265.82, 3,991,898.33 and 639,509.77

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Solution

The fourth proportional to 2,661,265.82, 3,991,898.33 and 639,509.77 is: 959,264.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,265.82 : 3,991,898.33 = 639,509.77 : x
  2. Step 2: Convert to fraction form
    2,661,265.82/3,991,898.33 = 639,509.77/x
  3. Step 3: Cross multiply
    2,661,265.82x = 3,991,898.33 × 639,509.77
  4. Step 4: Simplify right side
    2,661,265.82x = 2,552,857,982,881.68
  5. Step 5: Solve for x
    x = 2,552,857,982,881.68/2,661,265.82
  6. Step 6: Final answer
    x = 959,264.56

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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.