Home / 589,415.82-882,794.45-412,711.70

Finding the Fourth Proportional to 589,415.82, 882,794.45 and 412,711.70

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Solution

The fourth proportional to 589,415.82, 882,794.45 and 412,711.70 is: 618,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,415.82 : 882,794.45 = 412,711.70 : x
  2. Step 2: Convert to fraction form
    589,415.82/882,794.45 = 412,711.70/x
  3. Step 3: Cross multiply
    589,415.82x = 882,794.45 × 412,711.70
  4. Step 4: Simplify right side
    589,415.82x = 364,339,591,732.53
  5. Step 5: Solve for x
    x = 364,339,591,732.53/589,415.82
  6. Step 6: Final answer
    x = 618,136.77

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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.