Home / 481,777.12-664,834.79-277,836.63

Finding the Fourth Proportional to 481,777.12, 664,834.79 and 277,836.63

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Solution

The fourth proportional to 481,777.12, 664,834.79 and 277,836.63 is: 383,404.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,777.12 : 664,834.79 = 277,836.63 : x
  2. Step 2: Convert to fraction form
    481,777.12/664,834.79 = 277,836.63/x
  3. Step 3: Cross multiply
    481,777.12x = 664,834.79 × 277,836.63
  4. Step 4: Simplify right side
    481,777.12x = 184,715,457,938.68
  5. Step 5: Solve for x
    x = 184,715,457,938.68/481,777.12
  6. Step 6: Final answer
    x = 383,404.38

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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.