Home / 490,953.03-677,508.70-276,093.03

Finding the Fourth Proportional to 490,953.03, 677,508.70 and 276,093.03

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Solution

The fourth proportional to 490,953.03, 677,508.70 and 276,093.03 is: 381,004.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,953.03 : 677,508.70 = 276,093.03 : x
  2. Step 2: Convert to fraction form
    490,953.03/677,508.70 = 276,093.03/x
  3. Step 3: Cross multiply
    490,953.03x = 677,508.70 × 276,093.03
  4. Step 4: Simplify right side
    490,953.03x = 187,055,429,834.36
  5. Step 5: Solve for x
    x = 187,055,429,834.36/490,953.03
  6. Step 6: Final answer
    x = 381,004.74

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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.