Home / 1,091,226.97-1,505,968.91-661,525.21

Finding the Fourth Proportional to 1,091,226.97, 1,505,968.91 and 661,525.21

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Solution

The fourth proportional to 1,091,226.97, 1,505,968.91 and 661,525.21 is: 912,950.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,226.97 : 1,505,968.91 = 661,525.21 : x
  2. Step 2: Convert to fraction form
    1,091,226.97/1,505,968.91 = 661,525.21/x
  3. Step 3: Cross multiply
    1,091,226.97x = 1,505,968.91 × 661,525.21
  4. Step 4: Simplify right side
    1,091,226.97x = 996,236,399,441.22
  5. Step 5: Solve for x
    x = 996,236,399,441.22/1,091,226.97
  6. Step 6: Final answer
    x = 912,950.68

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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.