Home / 418,240.27-577,170.43-227,254.33

Finding the Fourth Proportional to 418,240.27, 577,170.43 and 227,254.33

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Solution

The fourth proportional to 418,240.27, 577,170.43 and 227,254.33 is: 313,610.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,240.27 : 577,170.43 = 227,254.33 : x
  2. Step 2: Convert to fraction form
    418,240.27/577,170.43 = 227,254.33/x
  3. Step 3: Cross multiply
    418,240.27x = 577,170.43 × 227,254.33
  4. Step 4: Simplify right side
    418,240.27x = 131,164,479,365.46
  5. Step 5: Solve for x
    x = 131,164,479,365.46/418,240.27
  6. Step 6: Final answer
    x = 313,610.35

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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.