Home / 1,410,371.33-1,946,257.86-765,776.78

Finding the Fourth Proportional to 1,410,371.33, 1,946,257.86 and 765,776.78

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Solution

The fourth proportional to 1,410,371.33, 1,946,257.86 and 765,776.78 is: 1,056,742.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,371.33 : 1,946,257.86 = 765,776.78 : x
  2. Step 2: Convert to fraction form
    1,410,371.33/1,946,257.86 = 765,776.78/x
  3. Step 3: Cross multiply
    1,410,371.33x = 1,946,257.86 × 765,776.78
  4. Step 4: Simplify right side
    1,410,371.33x = 1,490,399,067,349.20
  5. Step 5: Solve for x
    x = 1,490,399,067,349.20/1,410,371.33
  6. Step 6: Final answer
    x = 1,056,742.32

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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.