Home / 443,578.41-612,137.55-252,591.85

Finding the Fourth Proportional to 443,578.41, 612,137.55 and 252,591.85

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Solution

The fourth proportional to 443,578.41, 612,137.55 and 252,591.85 is: 348,576.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,578.41 : 612,137.55 = 252,591.85 : x
  2. Step 2: Convert to fraction form
    443,578.41/612,137.55 = 252,591.85/x
  3. Step 3: Cross multiply
    443,578.41x = 612,137.55 × 252,591.85
  4. Step 4: Simplify right side
    443,578.41x = 154,620,957,921.36
  5. Step 5: Solve for x
    x = 154,620,957,921.36/443,578.41
  6. Step 6: Final answer
    x = 348,576.38

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1.5x scale

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.