Home / 481,835.19-664,922.75-266,974.59

Finding the Fourth Proportional to 481,835.19, 664,922.75 and 266,974.59

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Solution

The fourth proportional to 481,835.19, 664,922.75 and 266,974.59 is: 368,419.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,835.19 : 664,922.75 = 266,974.59 : x
  2. Step 2: Convert to fraction form
    481,835.19/664,922.75 = 266,974.59/x
  3. Step 3: Cross multiply
    481,835.19x = 664,922.75 × 266,974.59
  4. Step 4: Simplify right side
    481,835.19x = 177,517,477,228.05
  5. Step 5: Solve for x
    x = 177,517,477,228.05/481,835.19
  6. Step 6: Final answer
    x = 368,419.49

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1.5x scale

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.