Home / 1,381,788.36-1,906,871.80-801,124.32

Finding the Fourth Proportional to 1,381,788.36, 1,906,871.80 and 801,124.32

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Solution

The fourth proportional to 1,381,788.36, 1,906,871.80 and 801,124.32 is: 1,105,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,788.36 : 1,906,871.80 = 801,124.32 : x
  2. Step 2: Convert to fraction form
    1,381,788.36/1,906,871.80 = 801,124.32/x
  3. Step 3: Cross multiply
    1,381,788.36x = 1,906,871.80 × 801,124.32
  4. Step 4: Simplify right side
    1,381,788.36x = 1,527,641,374,102.18
  5. Step 5: Solve for x
    x = 1,527,641,374,102.18/1,381,788.36
  6. Step 6: Final answer
    x = 1,105,553.80

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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.