Home / 481,815.60-664,877.76-266,942.86

Finding the Fourth Proportional to 481,815.60, 664,877.76 and 266,942.86

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Solution

The fourth proportional to 481,815.60, 664,877.76 and 266,942.86 is: 368,365.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,815.60 : 664,877.76 = 266,942.86 : x
  2. Step 2: Convert to fraction form
    481,815.60/664,877.76 = 266,942.86/x
  3. Step 3: Cross multiply
    481,815.60x = 664,877.76 × 266,942.86
  4. Step 4: Simplify right side
    481,815.60x = 177,484,370,804.79
  5. Step 5: Solve for x
    x = 177,484,370,804.79/481,815.60
  6. Step 6: Final answer
    x = 368,365.76

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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.