Home / 499,975.22-689,968.06-273,620.18

Finding the Fourth Proportional to 499,975.22, 689,968.06 and 273,620.18

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Solution

The fourth proportional to 499,975.22, 689,968.06 and 273,620.18 is: 377,597.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,975.22 : 689,968.06 = 273,620.18 : x
  2. Step 2: Convert to fraction form
    499,975.22/689,968.06 = 273,620.18/x
  3. Step 3: Cross multiply
    499,975.22x = 689,968.06 × 273,620.18
  4. Step 4: Simplify right side
    499,975.22x = 188,789,184,771.45
  5. Step 5: Solve for x
    x = 188,789,184,771.45/499,975.22
  6. Step 6: Final answer
    x = 377,597.08

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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.