Home / 418,949.24-577,048.59-321,967.53

Finding the Fourth Proportional to 418,949.24, 577,048.59 and 321,967.53

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Solution

The fourth proportional to 418,949.24, 577,048.59 and 321,967.53 is: 443,468.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,949.24 : 577,048.59 = 321,967.53 : x
  2. Step 2: Convert to fraction form
    418,949.24/577,048.59 = 321,967.53/x
  3. Step 3: Cross multiply
    418,949.24x = 577,048.59 × 321,967.53
  4. Step 4: Simplify right side
    418,949.24x = 185,790,909,212.28
  5. Step 5: Solve for x
    x = 185,790,909,212.28/418,949.24
  6. Step 6: Final answer
    x = 443,468.79

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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.