Home / 513,425.44-769,974.36-176,384.80

Finding the Fourth Proportional to 513,425.44, 769,974.36 and 176,384.80

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Solution

The fourth proportional to 513,425.44, 769,974.36 and 176,384.80 is: 264,520.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,425.44 : 769,974.36 = 176,384.80 : x
  2. Step 2: Convert to fraction form
    513,425.44/769,974.36 = 176,384.80/x
  3. Step 3: Cross multiply
    513,425.44x = 769,974.36 × 176,384.80
  4. Step 4: Simplify right side
    513,425.44x = 135,811,773,493.73
  5. Step 5: Solve for x
    x = 135,811,773,493.73/513,425.44
  6. Step 6: Final answer
    x = 264,520.93

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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.