Home / 394,919.66-592,016.05-214,741.85

Finding the Fourth Proportional to 394,919.66, 592,016.05 and 214,741.85

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Solution

The fourth proportional to 394,919.66, 592,016.05 and 214,741.85 is: 321,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,919.66 : 592,016.05 = 214,741.85 : x
  2. Step 2: Convert to fraction form
    394,919.66/592,016.05 = 214,741.85/x
  3. Step 3: Cross multiply
    394,919.66x = 592,016.05 × 214,741.85
  4. Step 4: Simplify right side
    394,919.66x = 127,130,621,806.69
  5. Step 5: Solve for x
    x = 127,130,621,806.69/394,919.66
  6. Step 6: Final answer
    x = 321,915.15

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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.