Home / 531,561.04-796,777.60-261,308.05

Finding the Fourth Proportional to 531,561.04, 796,777.60 and 261,308.05

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Solution

The fourth proportional to 531,561.04, 796,777.60 and 261,308.05 is: 391,684.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,561.04 : 796,777.60 = 261,308.05 : x
  2. Step 2: Convert to fraction form
    531,561.04/796,777.60 = 261,308.05/x
  3. Step 3: Cross multiply
    531,561.04x = 796,777.60 × 261,308.05
  4. Step 4: Simplify right side
    531,561.04x = 208,204,400,286.41
  5. Step 5: Solve for x
    x = 208,204,400,286.41/531,561.04
  6. Step 6: Final answer
    x = 391,684.84

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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.