Home / 481,696.13-664,731.96-266,835.53

Finding the Fourth Proportional to 481,696.13, 664,731.96 and 266,835.53

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Solution

The fourth proportional to 481,696.13, 664,731.96 and 266,835.53 is: 368,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,696.13 : 664,731.96 = 266,835.53 : x
  2. Step 2: Convert to fraction form
    481,696.13/664,731.96 = 266,835.53/x
  3. Step 3: Cross multiply
    481,696.13x = 664,731.96 × 266,835.53
  4. Step 4: Simplify right side
    481,696.13x = 177,374,104,854.54
  5. Step 5: Solve for x
    x = 177,374,104,854.54/481,696.13
  6. Step 6: Final answer
    x = 368,228.21

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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.