Home / 719,217.20-1,079,992.20-483,604.40

Finding the Fourth Proportional to 719,217.20, 1,079,992.20 and 483,604.40

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Solution

The fourth proportional to 719,217.20, 1,079,992.20 and 483,604.40 is: 726,190.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,217.20 : 1,079,992.20 = 483,604.40 : x
  2. Step 2: Convert to fraction form
    719,217.20/1,079,992.20 = 483,604.40/x
  3. Step 3: Cross multiply
    719,217.20x = 1,079,992.20 × 483,604.40
  4. Step 4: Simplify right side
    719,217.20x = 522,288,979,885.68
  5. Step 5: Solve for x
    x = 522,288,979,885.68/719,217.20
  6. Step 6: Final answer
    x = 726,190.89

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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.