Home / 418,217.49-577,145.39-227,234.07

Finding the Fourth Proportional to 418,217.49, 577,145.39 and 227,234.07

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Solution

The fourth proportional to 418,217.49, 577,145.39 and 227,234.07 is: 313,585.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,217.49 : 577,145.39 = 227,234.07 : x
  2. Step 2: Convert to fraction form
    418,217.49/577,145.39 = 227,234.07/x
  3. Step 3: Cross multiply
    418,217.49x = 577,145.39 × 227,234.07
  4. Step 4: Simplify right side
    418,217.49x = 131,147,094,815.27
  5. Step 5: Solve for x
    x = 131,147,094,815.27/418,217.49
  6. Step 6: Final answer
    x = 313,585.87

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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.