Home / 620,199.30-930,558.15-199,604.10

Finding the Fourth Proportional to 620,199.30, 930,558.15 and 199,604.10

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Solution

The fourth proportional to 620,199.30, 930,558.15 and 199,604.10 is: 299,489.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,199.30 : 930,558.15 = 199,604.10 : x
  2. Step 2: Convert to fraction form
    620,199.30/930,558.15 = 199,604.10/x
  3. Step 3: Cross multiply
    620,199.30x = 930,558.15 × 199,604.10
  4. Step 4: Simplify right side
    620,199.30x = 185,743,222,028.42
  5. Step 5: Solve for x
    x = 185,743,222,028.42/620,199.30
  6. Step 6: Final answer
    x = 299,489.57

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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.