Home / 417,819.57-579,540.88-406,745.23

Finding the Fourth Proportional to 417,819.57, 579,540.88 and 406,745.23

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Solution

The fourth proportional to 417,819.57, 579,540.88 and 406,745.23 is: 564,180.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,819.57 : 579,540.88 = 406,745.23 : x
  2. Step 2: Convert to fraction form
    417,819.57/579,540.88 = 406,745.23/x
  3. Step 3: Cross multiply
    417,819.57x = 579,540.88 × 406,745.23
  4. Step 4: Simplify right side
    417,819.57x = 235,725,486,388.28
  5. Step 5: Solve for x
    x = 235,725,486,388.28/417,819.57
  6. Step 6: Final answer
    x = 564,180.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.