Home / 1,394,162.20-2,091,534.90-447,628.60

Finding the Fourth Proportional to 1,394,162.20, 2,091,534.90 and 447,628.60

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Solution

The fourth proportional to 1,394,162.20, 2,091,534.90 and 447,628.60 is: 671,536.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,162.20 : 2,091,534.90 = 447,628.60 : x
  2. Step 2: Convert to fraction form
    1,394,162.20/2,091,534.90 = 447,628.60/x
  3. Step 3: Cross multiply
    1,394,162.20x = 2,091,534.90 × 447,628.60
  4. Step 4: Simplify right side
    1,394,162.20x = 936,230,839,138.14
  5. Step 5: Solve for x
    x = 936,230,839,138.14/1,394,162.20
  6. Step 6: Final answer
    x = 671,536.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.