Home / 358,899.76-538,350.42-336,977.92

Finding the Fourth Proportional to 358,899.76, 538,350.42 and 336,977.92

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Solution

The fourth proportional to 358,899.76, 538,350.42 and 336,977.92 is: 505,467.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,899.76 : 538,350.42 = 336,977.92 : x
  2. Step 2: Convert to fraction form
    358,899.76/538,350.42 = 336,977.92/x
  3. Step 3: Cross multiply
    358,899.76x = 538,350.42 × 336,977.92
  4. Step 4: Simplify right side
    358,899.76x = 181,412,204,762.73
  5. Step 5: Solve for x
    x = 181,412,204,762.73/358,899.76
  6. Step 6: Final answer
    x = 505,467.61

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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.