Home / 418,811.86-577,959.92-227,824.79

Finding the Fourth Proportional to 418,811.86, 577,959.92 and 227,824.79

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Solution

The fourth proportional to 418,811.86, 577,959.92 and 227,824.79 is: 314,397.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,811.86 : 577,959.92 = 227,824.79 : x
  2. Step 2: Convert to fraction form
    418,811.86/577,959.92 = 227,824.79/x
  3. Step 3: Cross multiply
    418,811.86x = 577,959.92 × 227,824.79
  4. Step 4: Simplify right side
    418,811.86x = 131,673,597,971.98
  5. Step 5: Solve for x
    x = 131,673,597,971.98/418,811.86
  6. Step 6: Final answer
    x = 314,397.97

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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.