Home / 593,208.18-818,629.74-321,279.30

Finding the Fourth Proportional to 593,208.18, 818,629.74 and 321,279.30

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Solution

The fourth proportional to 593,208.18, 818,629.74 and 321,279.30 is: 443,366.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,208.18 : 818,629.74 = 321,279.30 : x
  2. Step 2: Convert to fraction form
    593,208.18/818,629.74 = 321,279.30/x
  3. Step 3: Cross multiply
    593,208.18x = 818,629.74 × 321,279.30
  4. Step 4: Simplify right side
    593,208.18x = 263,008,789,826.38
  5. Step 5: Solve for x
    x = 263,008,789,826.38/593,208.18
  6. Step 6: Final answer
    x = 443,366.76

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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.