Home / 1,217,768.72-1,680,524.11-673,942.01

Finding the Fourth Proportional to 1,217,768.72, 1,680,524.11 and 673,942.01

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Solution

The fourth proportional to 1,217,768.72, 1,680,524.11 and 673,942.01 is: 930,041.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,768.72 : 1,680,524.11 = 673,942.01 : x
  2. Step 2: Convert to fraction form
    1,217,768.72/1,680,524.11 = 673,942.01/x
  3. Step 3: Cross multiply
    1,217,768.72x = 1,680,524.11 × 673,942.01
  4. Step 4: Simplify right side
    1,217,768.72x = 1,132,575,794,648.69
  5. Step 5: Solve for x
    x = 1,132,575,794,648.69/1,217,768.72
  6. Step 6: Final answer
    x = 930,041.79

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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.