Home / 413,621.52-620,434.92-226,530.96

Finding the Fourth Proportional to 413,621.52, 620,434.92 and 226,530.96

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Solution

The fourth proportional to 413,621.52, 620,434.92 and 226,530.96 is: 339,797.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,621.52 : 620,434.92 = 226,530.96 : x
  2. Step 2: Convert to fraction form
    413,621.52/620,434.92 = 226,530.96/x
  3. Step 3: Cross multiply
    413,621.52x = 620,434.92 × 226,530.96
  4. Step 4: Simplify right side
    413,621.52x = 140,547,718,045.12
  5. Step 5: Solve for x
    x = 140,547,718,045.12/413,621.52
  6. Step 6: Final answer
    x = 339,797.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.