Home / 543,623.04-809,923.68-516,854.88

Finding the Fourth Proportional to 543,623.04, 809,923.68 and 516,854.88

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Solution

The fourth proportional to 543,623.04, 809,923.68 and 516,854.88 is: 770,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,623.04 : 809,923.68 = 516,854.88 : x
  2. Step 2: Convert to fraction form
    543,623.04/809,923.68 = 516,854.88/x
  3. Step 3: Cross multiply
    543,623.04x = 809,923.68 × 516,854.88
  4. Step 4: Simplify right side
    543,623.04x = 418,613,006,435.56
  5. Step 5: Solve for x
    x = 418,613,006,435.56/543,623.04
  6. Step 6: Final answer
    x = 770,042.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.