Home / 418,823.73-577,976.31-227,836.67

Finding the Fourth Proportional to 418,823.73, 577,976.31 and 227,836.67

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Solution

The fourth proportional to 418,823.73, 577,976.31 and 227,836.67 is: 314,414.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,823.73 : 577,976.31 = 227,836.67 : x
  2. Step 2: Convert to fraction form
    418,823.73/577,976.31 = 227,836.67/x
  3. Step 3: Cross multiply
    418,823.73x = 577,976.31 × 227,836.67
  4. Step 4: Simplify right side
    418,823.73x = 131,684,194,919.41
  5. Step 5: Solve for x
    x = 131,684,194,919.41/418,823.73
  6. Step 6: Final answer
    x = 314,414.36

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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.