Home / 418,511.26-577,552.11-227,525.38

Finding the Fourth Proportional to 418,511.26, 577,552.11 and 227,525.38

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Solution

The fourth proportional to 418,511.26, 577,552.11 and 227,525.38 is: 313,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,511.26 : 577,552.11 = 227,525.38 : x
  2. Step 2: Convert to fraction form
    418,511.26/577,552.11 = 227,525.38/x
  3. Step 3: Cross multiply
    418,511.26x = 577,552.11 × 227,525.38
  4. Step 4: Simplify right side
    418,511.26x = 131,407,763,297.55
  5. Step 5: Solve for x
    x = 131,407,763,297.55/418,511.26
  6. Step 6: Final answer
    x = 313,988.60

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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.