Home / 505,767.27-754,961.36-441,921.72

Finding the Fourth Proportional to 505,767.27, 754,961.36 and 441,921.72

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Solution

The fourth proportional to 505,767.27, 754,961.36 and 441,921.72 is: 659,658.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,767.27 : 754,961.36 = 441,921.72 : x
  2. Step 2: Convert to fraction form
    505,767.27/754,961.36 = 441,921.72/x
  3. Step 3: Cross multiply
    505,767.27x = 754,961.36 × 441,921.72
  4. Step 4: Simplify right side
    505,767.27x = 333,633,822,744.74
  5. Step 5: Solve for x
    x = 333,633,822,744.74/505,767.27
  6. Step 6: Final answer
    x = 659,658.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.