Home / 452,509.96-678,764.35-115,550.44

Finding the Fourth Proportional to 452,509.96, 678,764.35 and 115,550.44

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Solution

The fourth proportional to 452,509.96, 678,764.35 and 115,550.44 is: 173,325.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,509.96 : 678,764.35 = 115,550.44 : x
  2. Step 2: Convert to fraction form
    452,509.96/678,764.35 = 115,550.44/x
  3. Step 3: Cross multiply
    452,509.96x = 678,764.35 × 115,550.44
  4. Step 4: Simplify right side
    452,509.96x = 78,431,521,564.39
  5. Step 5: Solve for x
    x = 78,431,521,564.39/452,509.96
  6. Step 6: Final answer
    x = 173,325.51

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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.