Home / 1,016,786.62-1,401,888.84-744,381.60

Finding the Fourth Proportional to 1,016,786.62, 1,401,888.84 and 744,381.60

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Solution

The fourth proportional to 1,016,786.62, 1,401,888.84 and 744,381.60 is: 1,026,311.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,786.62 : 1,401,888.84 = 744,381.60 : x
  2. Step 2: Convert to fraction form
    1,016,786.62/1,401,888.84 = 744,381.60/x
  3. Step 3: Cross multiply
    1,016,786.62x = 1,401,888.84 × 744,381.60
  4. Step 4: Simplify right side
    1,016,786.62x = 1,043,540,257,741.34
  5. Step 5: Solve for x
    x = 1,043,540,257,741.34/1,016,786.62
  6. Step 6: Final answer
    x = 1,026,311.95

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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.