Home / 1,381,786.48-1,906,869.21-801,122.45

Finding the Fourth Proportional to 1,381,786.48, 1,906,869.21 and 801,122.45

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Solution

The fourth proportional to 1,381,786.48, 1,906,869.21 and 801,122.45 is: 1,105,551.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,786.48 : 1,906,869.21 = 801,122.45 : x
  2. Step 2: Convert to fraction form
    1,381,786.48/1,906,869.21 = 801,122.45/x
  3. Step 3: Cross multiply
    1,381,786.48x = 1,906,869.21 × 801,122.45
  4. Step 4: Simplify right side
    1,381,786.48x = 1,527,635,733,344.76
  5. Step 5: Solve for x
    x = 1,527,635,733,344.76/1,381,786.48
  6. Step 6: Final answer
    x = 1,105,551.22

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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.