Home / 481,165.20-721,920.60-463,885.20

Finding the Fourth Proportional to 481,165.20, 721,920.60 and 463,885.20

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Solution

The fourth proportional to 481,165.20, 721,920.60 and 463,885.20 is: 695,994.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,165.20 : 721,920.60 = 463,885.20 : x
  2. Step 2: Convert to fraction form
    481,165.20/721,920.60 = 463,885.20/x
  3. Step 3: Cross multiply
    481,165.20x = 721,920.60 × 463,885.20
  4. Step 4: Simplify right side
    481,165.20x = 334,888,281,915.12
  5. Step 5: Solve for x
    x = 334,888,281,915.12/481,165.20
  6. Step 6: Final answer
    x = 695,994.39

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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.