Home / 452,610.30-678,915.34-115,651.58

Finding the Fourth Proportional to 452,610.30, 678,915.34 and 115,651.58

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Solution

The fourth proportional to 452,610.30, 678,915.34 and 115,651.58 is: 173,477.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,610.30 : 678,915.34 = 115,651.58 : x
  2. Step 2: Convert to fraction form
    452,610.30/678,915.34 = 115,651.58/x
  3. Step 3: Cross multiply
    452,610.30x = 678,915.34 × 115,651.58
  4. Step 4: Simplify right side
    452,610.30x = 78,517,631,757.24
  5. Step 5: Solve for x
    x = 78,517,631,757.24/452,610.30
  6. Step 6: Final answer
    x = 173,477.34

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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.