Home / 573,176.20-857,723.10-499,109.80

Finding the Fourth Proportional to 573,176.20, 857,723.10 and 499,109.80

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Solution

The fourth proportional to 573,176.20, 857,723.10 and 499,109.80 is: 746,887.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,176.20 : 857,723.10 = 499,109.80 : x
  2. Step 2: Convert to fraction form
    573,176.20/857,723.10 = 499,109.80/x
  3. Step 3: Cross multiply
    573,176.20x = 857,723.10 × 499,109.80
  4. Step 4: Simplify right side
    573,176.20x = 428,098,004,896.38
  5. Step 5: Solve for x
    x = 428,098,004,896.38/573,176.20
  6. Step 6: Final answer
    x = 746,887.27

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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.