Home / 399,267.23-550,981.54-227,181.46

Finding the Fourth Proportional to 399,267.23, 550,981.54 and 227,181.46

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Solution

The fourth proportional to 399,267.23, 550,981.54 and 227,181.46 is: 313,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,267.23 : 550,981.54 = 227,181.46 : x
  2. Step 2: Convert to fraction form
    399,267.23/550,981.54 = 227,181.46/x
  3. Step 3: Cross multiply
    399,267.23x = 550,981.54 × 227,181.46
  4. Step 4: Simplify right side
    399,267.23x = 125,172,790,629.86
  5. Step 5: Solve for x
    x = 125,172,790,629.86/399,267.23
  6. Step 6: Final answer
    x = 313,506.30

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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.