Home / 462,619.45-693,651.40-192,422.59

Finding the Fourth Proportional to 462,619.45, 693,651.40 and 192,422.59

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Solution

The fourth proportional to 462,619.45, 693,651.40 and 192,422.59 is: 288,518.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,619.45 : 693,651.40 = 192,422.59 : x
  2. Step 2: Convert to fraction form
    462,619.45/693,651.40 = 192,422.59/x
  3. Step 3: Cross multiply
    462,619.45x = 693,651.40 × 192,422.59
  4. Step 4: Simplify right side
    462,619.45x = 133,474,196,729.94
  5. Step 5: Solve for x
    x = 133,474,196,729.94/462,619.45
  6. Step 6: Final answer
    x = 288,518.34

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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.