Home / 407,261.24-562,022.99-225,976.72

Finding the Fourth Proportional to 407,261.24, 562,022.99 and 225,976.72

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Solution

The fourth proportional to 407,261.24, 562,022.99 and 225,976.72 is: 311,849.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,261.24 : 562,022.99 = 225,976.72 : x
  2. Step 2: Convert to fraction form
    407,261.24/562,022.99 = 225,976.72/x
  3. Step 3: Cross multiply
    407,261.24x = 562,022.99 × 225,976.72
  4. Step 4: Simplify right side
    407,261.24x = 127,004,111,844.79
  5. Step 5: Solve for x
    x = 127,004,111,844.79/407,261.24
  6. Step 6: Final answer
    x = 311,849.25

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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.