Home / 554,077.39-764,593.85-321,486.38

Finding the Fourth Proportional to 554,077.39, 764,593.85 and 321,486.38

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Solution

The fourth proportional to 554,077.39, 764,593.85 and 321,486.38 is: 443,632.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,077.39 : 764,593.85 = 321,486.38 : x
  2. Step 2: Convert to fraction form
    554,077.39/764,593.85 = 321,486.38/x
  3. Step 3: Cross multiply
    554,077.39x = 764,593.85 × 321,486.38
  4. Step 4: Simplify right side
    554,077.39x = 245,806,503,576.36
  5. Step 5: Solve for x
    x = 245,806,503,576.36/554,077.39
  6. Step 6: Final answer
    x = 443,632.08

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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.