Home / 397,519.83-548,590.86-227,786.76

Finding the Fourth Proportional to 397,519.83, 548,590.86 and 227,786.76

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Solution

The fourth proportional to 397,519.83, 548,590.86 and 227,786.76 is: 314,353.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,519.83 : 548,590.86 = 227,786.76 : x
  2. Step 2: Convert to fraction form
    397,519.83/548,590.86 = 227,786.76/x
  3. Step 3: Cross multiply
    397,519.83x = 548,590.86 × 227,786.76
  4. Step 4: Simplify right side
    397,519.83x = 124,961,734,565.01
  5. Step 5: Solve for x
    x = 124,961,734,565.01/397,519.83
  6. Step 6: Final answer
    x = 314,353.46

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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.