Home / 619,246.70-928,933.82-214,438.12

Finding the Fourth Proportional to 619,246.70, 928,933.82 and 214,438.12

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Solution

The fourth proportional to 619,246.70, 928,933.82 and 214,438.12 is: 321,679.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,246.70 : 928,933.82 = 214,438.12 : x
  2. Step 2: Convert to fraction form
    619,246.70/928,933.82 = 214,438.12/x
  3. Step 3: Cross multiply
    619,246.70x = 928,933.82 × 214,438.12
  4. Step 4: Simplify right side
    619,246.70x = 199,198,821,965.22
  5. Step 5: Solve for x
    x = 199,198,821,965.22/619,246.70
  6. Step 6: Final answer
    x = 321,679.26

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1.5x scale

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.