Home / 1,381,151.70-1,906,283.43-928,180.26

Finding the Fourth Proportional to 1,381,151.70, 1,906,283.43 and 928,180.26

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Solution

The fourth proportional to 1,381,151.70, 1,906,283.43 and 928,180.26 is: 1,281,086.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,151.70 : 1,906,283.43 = 928,180.26 : x
  2. Step 2: Convert to fraction form
    1,381,151.70/1,906,283.43 = 928,180.26/x
  3. Step 3: Cross multiply
    1,381,151.70x = 1,906,283.43 × 928,180.26
  4. Step 4: Simplify right side
    1,381,151.70x = 1,769,374,649,691.09
  5. Step 5: Solve for x
    x = 1,769,374,649,691.09/1,381,151.70
  6. Step 6: Final answer
    x = 1,281,086.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.