Home / 1,167,786.15-1,611,240.96-684,091.80

Finding the Fourth Proportional to 1,167,786.15, 1,611,240.96 and 684,091.80

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Solution

The fourth proportional to 1,167,786.15, 1,611,240.96 and 684,091.80 is: 943,868.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,786.15 : 1,611,240.96 = 684,091.80 : x
  2. Step 2: Convert to fraction form
    1,167,786.15/1,611,240.96 = 684,091.80/x
  3. Step 3: Cross multiply
    1,167,786.15x = 1,611,240.96 × 684,091.80
  4. Step 4: Simplify right side
    1,167,786.15x = 1,102,236,728,560.13
  5. Step 5: Solve for x
    x = 1,102,236,728,560.13/1,167,786.15
  6. Step 6: Final answer
    x = 943,868.64

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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.