Home / 557,344.19-769,136.46-327,910.12

Finding the Fourth Proportional to 557,344.19, 769,136.46 and 327,910.12

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Solution

The fourth proportional to 557,344.19, 769,136.46 and 327,910.12 is: 452,516.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,344.19 : 769,136.46 = 327,910.12 : x
  2. Step 2: Convert to fraction form
    557,344.19/769,136.46 = 327,910.12/x
  3. Step 3: Cross multiply
    557,344.19x = 769,136.46 × 327,910.12
  4. Step 4: Simplify right side
    557,344.19x = 252,207,631,913.36
  5. Step 5: Solve for x
    x = 252,207,631,913.36/557,344.19
  6. Step 6: Final answer
    x = 452,516.84

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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.