Home / 445,933.42-669,002.30-193,256.30

Finding the Fourth Proportional to 445,933.42, 669,002.30 and 193,256.30

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Solution

The fourth proportional to 445,933.42, 669,002.30 and 193,256.30 is: 289,928.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,933.42 : 669,002.30 = 193,256.30 : x
  2. Step 2: Convert to fraction form
    445,933.42/669,002.30 = 193,256.30/x
  3. Step 3: Cross multiply
    445,933.42x = 669,002.30 × 193,256.30
  4. Step 4: Simplify right side
    445,933.42x = 129,288,909,189.49
  5. Step 5: Solve for x
    x = 129,288,909,189.49/445,933.42
  6. Step 6: Final answer
    x = 289,928.73

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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.