Home / 499,923.72-689,895.90-273,583.80

Finding the Fourth Proportional to 499,923.72, 689,895.90 and 273,583.80

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Solution

The fourth proportional to 499,923.72, 689,895.90 and 273,583.80 is: 377,546.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,923.72 : 689,895.90 = 273,583.80 : x
  2. Step 2: Convert to fraction form
    499,923.72/689,895.90 = 273,583.80/x
  3. Step 3: Cross multiply
    499,923.72x = 689,895.90 × 273,583.80
  4. Step 4: Simplify right side
    499,923.72x = 188,744,341,926.42
  5. Step 5: Solve for x
    x = 188,744,341,926.42/499,923.72
  6. Step 6: Final answer
    x = 377,546.28

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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.