Home / 539,764.47-744,605.93-321,819.44

Finding the Fourth Proportional to 539,764.47, 744,605.93 and 321,819.44

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Solution

The fourth proportional to 539,764.47, 744,605.93 and 321,819.44 is: 443,950.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,764.47 : 744,605.93 = 321,819.44 : x
  2. Step 2: Convert to fraction form
    539,764.47/744,605.93 = 321,819.44/x
  3. Step 3: Cross multiply
    539,764.47x = 744,605.93 × 321,819.44
  4. Step 4: Simplify right side
    539,764.47x = 239,628,660,494.80
  5. Step 5: Solve for x
    x = 239,628,660,494.80/539,764.47
  6. Step 6: Final answer
    x = 443,950.42

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1.5x scale

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.