Home / 418,238.01-577,171.97-227,251.40

Finding the Fourth Proportional to 418,238.01, 577,171.97 and 227,251.40

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Solution

The fourth proportional to 418,238.01, 577,171.97 and 227,251.40 is: 313,608.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,238.01 : 577,171.97 = 227,251.40 : x
  2. Step 2: Convert to fraction form
    418,238.01/577,171.97 = 227,251.40/x
  3. Step 3: Cross multiply
    418,238.01x = 577,171.97 × 227,251.40
  4. Step 4: Simplify right side
    418,238.01x = 131,163,136,357.06
  5. Step 5: Solve for x
    x = 131,163,136,357.06/418,238.01
  6. Step 6: Final answer
    x = 313,608.84

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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.