Home / 507,968.80-762,277.20-242,029.60

Finding the Fourth Proportional to 507,968.80, 762,277.20 and 242,029.60

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Solution

The fourth proportional to 507,968.80, 762,277.20 and 242,029.60 is: 363,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,968.80 : 762,277.20 = 242,029.60 : x
  2. Step 2: Convert to fraction form
    507,968.80/762,277.20 = 242,029.60/x
  3. Step 3: Cross multiply
    507,968.80x = 762,277.20 × 242,029.60
  4. Step 4: Simplify right side
    507,968.80x = 184,493,645,805.12
  5. Step 5: Solve for x
    x = 184,493,645,805.12/507,968.80
  6. Step 6: Final answer
    x = 363,198.77

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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.