Home / 481,403.35-664,357.40-266,543.43

Finding the Fourth Proportional to 481,403.35, 664,357.40 and 266,543.43

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Solution

The fourth proportional to 481,403.35, 664,357.40 and 266,543.43 is: 367,841.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,403.35 : 664,357.40 = 266,543.43 : x
  2. Step 2: Convert to fraction form
    481,403.35/664,357.40 = 266,543.43/x
  3. Step 3: Cross multiply
    481,403.35x = 664,357.40 × 266,543.43
  4. Step 4: Simplify right side
    481,403.35x = 177,080,095,487.38
  5. Step 5: Solve for x
    x = 177,080,095,487.38/481,403.35
  6. Step 6: Final answer
    x = 367,841.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.