Home / 490,870.22-677,391.89-273,077.83

Finding the Fourth Proportional to 490,870.22, 677,391.89 and 273,077.83

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Solution

The fourth proportional to 490,870.22, 677,391.89 and 273,077.83 is: 376,842.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,870.22 : 677,391.89 = 273,077.83 : x
  2. Step 2: Convert to fraction form
    490,870.22/677,391.89 = 273,077.83/x
  3. Step 3: Cross multiply
    490,870.22x = 677,391.89 × 273,077.83
  4. Step 4: Simplify right side
    490,870.22x = 184,980,702,628.45
  5. Step 5: Solve for x
    x = 184,980,702,628.45/490,870.22
  6. Step 6: Final answer
    x = 376,842.38

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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.