Home / 1,381,410.27-1,906,317.45-769,562.19

Finding the Fourth Proportional to 1,381,410.27, 1,906,317.45 and 769,562.19

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Solution

The fourth proportional to 1,381,410.27, 1,906,317.45 and 769,562.19 is: 1,061,979.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,410.27 : 1,906,317.45 = 769,562.19 : x
  2. Step 2: Convert to fraction form
    1,381,410.27/1,906,317.45 = 769,562.19/x
  3. Step 3: Cross multiply
    1,381,410.27x = 1,906,317.45 × 769,562.19
  4. Step 4: Simplify right side
    1,381,410.27x = 1,467,029,831,657.22
  5. Step 5: Solve for x
    x = 1,467,029,831,657.22/1,381,410.27
  6. Step 6: Final answer
    x = 1,061,979.82

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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.