Home / 354,582.72-531,028.32-204,509.04

Finding the Fourth Proportional to 354,582.72, 531,028.32 and 204,509.04

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Solution

The fourth proportional to 354,582.72, 531,028.32 and 204,509.04 is: 306,275.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,582.72 : 531,028.32 = 204,509.04 : x
  2. Step 2: Convert to fraction form
    354,582.72/531,028.32 = 204,509.04/x
  3. Step 3: Cross multiply
    354,582.72x = 531,028.32 × 204,509.04
  4. Step 4: Simplify right side
    354,582.72x = 108,600,091,936.01
  5. Step 5: Solve for x
    x = 108,600,091,936.01/354,582.72
  6. Step 6: Final answer
    x = 306,275.76

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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.