Home / 1,381,786.60-1,906,869.38-801,122.58

Finding the Fourth Proportional to 1,381,786.60, 1,906,869.38 and 801,122.58

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Solution

The fourth proportional to 1,381,786.60, 1,906,869.38 and 801,122.58 is: 1,105,551.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,786.60 : 1,906,869.38 = 801,122.58 : x
  2. Step 2: Convert to fraction form
    1,381,786.60/1,906,869.38 = 801,122.58/x
  3. Step 3: Cross multiply
    1,381,786.60x = 1,906,869.38 × 801,122.58
  4. Step 4: Simplify right side
    1,381,786.60x = 1,527,636,117,428.60
  5. Step 5: Solve for x
    x = 1,527,636,117,428.60/1,381,786.60
  6. Step 6: Final answer
    x = 1,105,551.41

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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.