Home / 593,210.39-818,629.62-321,278.12

Finding the Fourth Proportional to 593,210.39, 818,629.62 and 321,278.12

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Solution

The fourth proportional to 593,210.39, 818,629.62 and 321,278.12 is: 443,363.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,210.39 : 818,629.62 = 321,278.12 : x
  2. Step 2: Convert to fraction form
    593,210.39/818,629.62 = 321,278.12/x
  3. Step 3: Cross multiply
    593,210.39x = 818,629.62 × 321,278.12
  4. Step 4: Simplify right side
    593,210.39x = 263,007,785,289.91
  5. Step 5: Solve for x
    x = 263,007,785,289.91/593,210.39
  6. Step 6: Final answer
    x = 443,363.42

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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.