Home / 481,137.20-721,878.60-463,857.20

Finding the Fourth Proportional to 481,137.20, 721,878.60 and 463,857.20

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Solution

The fourth proportional to 481,137.20, 721,878.60 and 463,857.20 is: 695,952.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,137.20 : 721,878.60 = 463,857.20 : x
  2. Step 2: Convert to fraction form
    481,137.20/721,878.60 = 463,857.20/x
  3. Step 3: Cross multiply
    481,137.20x = 721,878.60 × 463,857.20
  4. Step 4: Simplify right side
    481,137.20x = 334,848,586,135.92
  5. Step 5: Solve for x
    x = 334,848,586,135.92/481,137.20
  6. Step 6: Final answer
    x = 695,952.39

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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.