Home / 418,239.18-577,172.52-227,252.52

Finding the Fourth Proportional to 418,239.18, 577,172.52 and 227,252.52

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Solution

The fourth proportional to 418,239.18, 577,172.52 and 227,252.52 is: 313,609.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,239.18 : 577,172.52 = 227,252.52 : x
  2. Step 2: Convert to fraction form
    418,239.18/577,172.52 = 227,252.52/x
  3. Step 3: Cross multiply
    418,239.18x = 577,172.52 × 227,252.52
  4. Step 4: Simplify right side
    418,239.18x = 131,163,909,644.75
  5. Step 5: Solve for x
    x = 131,163,909,644.75/418,239.18
  6. Step 6: Final answer
    x = 313,609.81

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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.