Home / 449,625.26-620,483.02-242,893.72

Finding the Fourth Proportional to 449,625.26, 620,483.02 and 242,893.72

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Solution

The fourth proportional to 449,625.26, 620,483.02 and 242,893.72 is: 335,193.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,625.26 : 620,483.02 = 242,893.72 : x
  2. Step 2: Convert to fraction form
    449,625.26/620,483.02 = 242,893.72/x
  3. Step 3: Cross multiply
    449,625.26x = 620,483.02 × 242,893.72
  4. Step 4: Simplify right side
    449,625.26x = 150,711,429,093.00
  5. Step 5: Solve for x
    x = 150,711,429,093.00/449,625.26
  6. Step 6: Final answer
    x = 335,193.42

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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.