Home / 593,140.04-818,529.20-321,201.72

Finding the Fourth Proportional to 593,140.04, 818,529.20 and 321,201.72

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Solution

The fourth proportional to 593,140.04, 818,529.20 and 321,201.72 is: 443,256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,140.04 : 818,529.20 = 321,201.72 : x
  2. Step 2: Convert to fraction form
    593,140.04/818,529.20 = 321,201.72/x
  3. Step 3: Cross multiply
    593,140.04x = 818,529.20 × 321,201.72
  4. Step 4: Simplify right side
    593,140.04x = 262,912,986,910.22
  5. Step 5: Solve for x
    x = 262,912,986,910.22/593,140.04
  6. Step 6: Final answer
    x = 443,256.18

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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.