Home / 418,660.69-577,746.33-227,669.98

Finding the Fourth Proportional to 418,660.69, 577,746.33 and 227,669.98

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Solution

The fourth proportional to 418,660.69, 577,746.33 and 227,669.98 is: 314,181.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,660.69 : 577,746.33 = 227,669.98 : x
  2. Step 2: Convert to fraction form
    418,660.69/577,746.33 = 227,669.98/x
  3. Step 3: Cross multiply
    418,660.69x = 577,746.33 × 227,669.98
  4. Step 4: Simplify right side
    418,660.69x = 131,535,491,369.09
  5. Step 5: Solve for x
    x = 131,535,491,369.09/418,660.69
  6. Step 6: Final answer
    x = 314,181.62

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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.