Home / 809,997.92-1,117,792.68-447,446.72

Finding the Fourth Proportional to 809,997.92, 1,117,792.68 and 447,446.72

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Solution

The fourth proportional to 809,997.92, 1,117,792.68 and 447,446.72 is: 617,474.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,997.92 : 1,117,792.68 = 447,446.72 : x
  2. Step 2: Convert to fraction form
    809,997.92/1,117,792.68 = 447,446.72/x
  3. Step 3: Cross multiply
    809,997.92x = 1,117,792.68 × 447,446.72
  4. Step 4: Simplify right side
    809,997.92x = 500,152,668,306.01
  5. Step 5: Solve for x
    x = 500,152,668,306.01/809,997.92
  6. Step 6: Final answer
    x = 617,474.02

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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.