Home / 481,136.20-721,877.10-463,856.20

Finding the Fourth Proportional to 481,136.20, 721,877.10 and 463,856.20

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Solution

The fourth proportional to 481,136.20, 721,877.10 and 463,856.20 is: 695,950.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,136.20 : 721,877.10 = 463,856.20 : x
  2. Step 2: Convert to fraction form
    481,136.20/721,877.10 = 463,856.20/x
  3. Step 3: Cross multiply
    481,136.20x = 721,877.10 × 463,856.20
  4. Step 4: Simplify right side
    481,136.20x = 334,847,168,473.02
  5. Step 5: Solve for x
    x = 334,847,168,473.02/481,136.20
  6. Step 6: Final answer
    x = 695,950.89

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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.