Home / 499,975.20-689,956.56-273,616.16

Finding the Fourth Proportional to 499,975.20, 689,956.56 and 273,616.16

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Solution

The fourth proportional to 499,975.20, 689,956.56 and 273,616.16 is: 377,585.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,975.20 : 689,956.56 = 273,616.16 : x
  2. Step 2: Convert to fraction form
    499,975.20/689,956.56 = 273,616.16/x
  3. Step 3: Cross multiply
    499,975.20x = 689,956.56 × 273,616.16
  4. Step 4: Simplify right side
    499,975.20x = 188,783,264,514.01
  5. Step 5: Solve for x
    x = 188,783,264,514.01/499,975.20
  6. Step 6: Final answer
    x = 377,585.26

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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.