Home / 1,838,629.92-2,757,262.32-640,244.64

Finding the Fourth Proportional to 1,838,629.92, 2,757,262.32 and 640,244.64

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Solution

The fourth proportional to 1,838,629.92, 2,757,262.32 and 640,244.64 is: 960,129.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,629.92 : 2,757,262.32 = 640,244.64 : x
  2. Step 2: Convert to fraction form
    1,838,629.92/2,757,262.32 = 640,244.64/x
  3. Step 3: Cross multiply
    1,838,629.92x = 2,757,262.32 × 640,244.64
  4. Step 4: Simplify right side
    1,838,629.92x = 1,765,322,421,453.97
  5. Step 5: Solve for x
    x = 1,765,322,421,453.97/1,838,629.92
  6. Step 6: Final answer
    x = 960,129.28

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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.