Home / 481,765.51-664,827.37-266,900.86

Finding the Fourth Proportional to 481,765.51, 664,827.37 and 266,900.86

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Solution

The fourth proportional to 481,765.51, 664,827.37 and 266,900.86 is: 368,318.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,765.51 : 664,827.37 = 266,900.86 : x
  2. Step 2: Convert to fraction form
    481,765.51/664,827.37 = 266,900.86/x
  3. Step 3: Cross multiply
    481,765.51x = 664,827.37 × 266,900.86
  4. Step 4: Simplify right side
    481,765.51x = 177,442,996,804.54
  5. Step 5: Solve for x
    x = 177,442,996,804.54/481,765.51
  6. Step 6: Final answer
    x = 368,318.18

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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.