Home / 490,826.62-736,218.84-153,859.72

Finding the Fourth Proportional to 490,826.62, 736,218.84 and 153,859.72

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Solution

The fourth proportional to 490,826.62, 736,218.84 and 153,859.72 is: 230,782.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,826.62 : 736,218.84 = 153,859.72 : x
  2. Step 2: Convert to fraction form
    490,826.62/736,218.84 = 153,859.72/x
  3. Step 3: Cross multiply
    490,826.62x = 736,218.84 × 153,859.72
  4. Step 4: Simplify right side
    490,826.62x = 113,274,424,581.13
  5. Step 5: Solve for x
    x = 113,274,424,581.13/490,826.62
  6. Step 6: Final answer
    x = 230,782.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.