Home / 407,207.08-562,013.22-225,977.22

Finding the Fourth Proportional to 407,207.08, 562,013.22 and 225,977.22

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Solution

The fourth proportional to 407,207.08, 562,013.22 and 225,977.22 is: 311,885.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,207.08 : 562,013.22 = 225,977.22 : x
  2. Step 2: Convert to fraction form
    407,207.08/562,013.22 = 225,977.22/x
  3. Step 3: Cross multiply
    407,207.08x = 562,013.22 × 225,977.22
  4. Step 4: Simplify right side
    407,207.08x = 127,002,185,058.85
  5. Step 5: Solve for x
    x = 127,002,185,058.85/407,207.08
  6. Step 6: Final answer
    x = 311,885.99

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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.