Home / 452,553.39-678,836.27-115,596.83

Finding the Fourth Proportional to 452,553.39, 678,836.27 and 115,596.83

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Solution

The fourth proportional to 452,553.39, 678,836.27 and 115,596.83 is: 173,396.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,553.39 : 678,836.27 = 115,596.83 : x
  2. Step 2: Convert to fraction form
    452,553.39/678,836.27 = 115,596.83/x
  3. Step 3: Cross multiply
    452,553.39x = 678,836.27 × 115,596.83
  4. Step 4: Simplify right side
    452,553.39x = 78,471,316,928.86
  5. Step 5: Solve for x
    x = 78,471,316,928.86/452,553.39
  6. Step 6: Final answer
    x = 173,396.82

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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.