Home / 1,801,919.43-2,703,116.97-665,480.39

Finding the Fourth Proportional to 1,801,919.43, 2,703,116.97 and 665,480.39

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Solution

The fourth proportional to 1,801,919.43, 2,703,116.97 and 665,480.39 is: 998,308.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801,919.43 : 2,703,116.97 = 665,480.39 : x
  2. Step 2: Convert to fraction form
    1,801,919.43/2,703,116.97 = 665,480.39/x
  3. Step 3: Cross multiply
    1,801,919.43x = 2,703,116.97 × 665,480.39
  4. Step 4: Simplify right side
    1,801,919.43x = 1,798,871,321,895.63
  5. Step 5: Solve for x
    x = 1,798,871,321,895.63/1,801,919.43
  6. Step 6: Final answer
    x = 998,308.41

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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.