Home / 483,229.62-724,788.10-128,271.24

Finding the Fourth Proportional to 483,229.62, 724,788.10 and 128,271.24

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Solution

The fourth proportional to 483,229.62, 724,788.10 and 128,271.24 is: 192,391.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,229.62 : 724,788.10 = 128,271.24 : x
  2. Step 2: Convert to fraction form
    483,229.62/724,788.10 = 128,271.24/x
  3. Step 3: Cross multiply
    483,229.62x = 724,788.10 × 128,271.24
  4. Step 4: Simplify right side
    483,229.62x = 92,969,468,324.24
  5. Step 5: Solve for x
    x = 92,969,468,324.24/483,229.62
  6. Step 6: Final answer
    x = 192,391.91

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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.