Home / 456,069.41-629,375.40-274,788.98

Finding the Fourth Proportional to 456,069.41, 629,375.40 and 274,788.98

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Solution

The fourth proportional to 456,069.41, 629,375.40 and 274,788.98 is: 379,208.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,069.41 : 629,375.40 = 274,788.98 : x
  2. Step 2: Convert to fraction form
    456,069.41/629,375.40 = 274,788.98/x
  3. Step 3: Cross multiply
    456,069.41x = 629,375.40 × 274,788.98
  4. Step 4: Simplify right side
    456,069.41x = 172,945,421,056.22
  5. Step 5: Solve for x
    x = 172,945,421,056.22/456,069.41
  6. Step 6: Final answer
    x = 379,208.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.