Home / 411,037.43-616,868.39-331,270.25

Finding the Fourth Proportional to 411,037.43, 616,868.39 and 331,270.25

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Solution

The fourth proportional to 411,037.43, 616,868.39 and 331,270.25 is: 497,157.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,037.43 : 616,868.39 = 331,270.25 : x
  2. Step 2: Convert to fraction form
    411,037.43/616,868.39 = 331,270.25/x
  3. Step 3: Cross multiply
    411,037.43x = 616,868.39 × 331,270.25
  4. Step 4: Simplify right side
    411,037.43x = 204,350,143,516.23
  5. Step 5: Solve for x
    x = 204,350,143,516.23/411,037.43
  6. Step 6: Final answer
    x = 497,157.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.