Home / 481,764.51-664,826.00-266,899.86

Finding the Fourth Proportional to 481,764.51, 664,826.00 and 266,899.86

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Solution

The fourth proportional to 481,764.51, 664,826.00 and 266,899.86 is: 368,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,764.51 : 664,826.00 = 266,899.86 : x
  2. Step 2: Convert to fraction form
    481,764.51/664,826.00 = 266,899.86/x
  3. Step 3: Cross multiply
    481,764.51x = 664,826.00 × 266,899.86
  4. Step 4: Simplify right side
    481,764.51x = 177,441,964,989.86
  5. Step 5: Solve for x
    x = 177,441,964,989.86/481,764.51
  6. Step 6: Final answer
    x = 368,316.80

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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.