Home / 821,846.97-1,134,145.53-459,270.73

Finding the Fourth Proportional to 821,846.97, 1,134,145.53 and 459,270.73

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Solution

The fourth proportional to 821,846.97, 1,134,145.53 and 459,270.73 is: 633,791.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,846.97 : 1,134,145.53 = 459,270.73 : x
  2. Step 2: Convert to fraction form
    821,846.97/1,134,145.53 = 459,270.73/x
  3. Step 3: Cross multiply
    821,846.97x = 1,134,145.53 × 459,270.73
  4. Step 4: Simplify right side
    821,846.97x = 520,879,845,489.34
  5. Step 5: Solve for x
    x = 520,879,845,489.34/821,846.97
  6. Step 6: Final answer
    x = 633,791.77

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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.