Home / 412,923.50-619,384.07-113,404.36

Finding the Fourth Proportional to 412,923.50, 619,384.07 and 113,404.36

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Solution

The fourth proportional to 412,923.50, 619,384.07 and 113,404.36 is: 170,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,923.50 : 619,384.07 = 113,404.36 : x
  2. Step 2: Convert to fraction form
    412,923.50/619,384.07 = 113,404.36/x
  3. Step 3: Cross multiply
    412,923.50x = 619,384.07 × 113,404.36
  4. Step 4: Simplify right side
    412,923.50x = 70,240,850,388.60
  5. Step 5: Solve for x
    x = 70,240,850,388.60/412,923.50
  6. Step 6: Final answer
    x = 170,106.21

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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.