Home / 412,529.26-618,794.38-113,012.42

Finding the Fourth Proportional to 412,529.26, 618,794.38 and 113,012.42

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Solution

The fourth proportional to 412,529.26, 618,794.38 and 113,012.42 is: 169,518.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,529.26 : 618,794.38 = 113,012.42 : x
  2. Step 2: Convert to fraction form
    412,529.26/618,794.38 = 113,012.42/x
  3. Step 3: Cross multiply
    412,529.26x = 618,794.38 × 113,012.42
  4. Step 4: Simplify right side
    412,529.26x = 69,931,450,366.20
  5. Step 5: Solve for x
    x = 69,931,450,366.20/412,529.26
  6. Step 6: Final answer
    x = 169,518.76

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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.