Home / 349,563.12-523,528.20-321,336.24

Finding the Fourth Proportional to 349,563.12, 523,528.20 and 321,336.24

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Solution

The fourth proportional to 349,563.12, 523,528.20 and 321,336.24 is: 481,253.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,563.12 : 523,528.20 = 321,336.24 : x
  2. Step 2: Convert to fraction form
    349,563.12/523,528.20 = 321,336.24/x
  3. Step 3: Cross multiply
    349,563.12x = 523,528.20 × 321,336.24
  4. Step 4: Simplify right side
    349,563.12x = 168,228,583,321.97
  5. Step 5: Solve for x
    x = 168,228,583,321.97/349,563.12
  6. Step 6: Final answer
    x = 481,253.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.