Home / 531,821.20-796,656.60-331,526.80

Finding the Fourth Proportional to 531,821.20, 796,656.60 and 331,526.80

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Solution

The fourth proportional to 531,821.20, 796,656.60 and 331,526.80 is: 496,619.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,821.20 : 796,656.60 = 331,526.80 : x
  2. Step 2: Convert to fraction form
    531,821.20/796,656.60 = 331,526.80/x
  3. Step 3: Cross multiply
    531,821.20x = 796,656.60 × 331,526.80
  4. Step 4: Simplify right side
    531,821.20x = 264,113,013,296.88
  5. Step 5: Solve for x
    x = 264,113,013,296.88/531,821.20
  6. Step 6: Final answer
    x = 496,619.94

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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.