Home / 1,346,399.88-1,858,022.98-765,623.06

Finding the Fourth Proportional to 1,346,399.88, 1,858,022.98 and 765,623.06

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Solution

The fourth proportional to 1,346,399.88, 1,858,022.98 and 765,623.06 is: 1,056,554.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,399.88 : 1,858,022.98 = 765,623.06 : x
  2. Step 2: Convert to fraction form
    1,346,399.88/1,858,022.98 = 765,623.06/x
  3. Step 3: Cross multiply
    1,346,399.88x = 1,858,022.98 × 765,623.06
  4. Step 4: Simplify right side
    1,346,399.88x = 1,422,545,239,497.92
  5. Step 5: Solve for x
    x = 1,422,545,239,497.92/1,346,399.88
  6. Step 6: Final answer
    x = 1,056,554.79

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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.