Home / 524,849.87-787,399.73-169,863.89

Finding the Fourth Proportional to 524,849.87, 787,399.73 and 169,863.89

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Solution

The fourth proportional to 524,849.87, 787,399.73 and 169,863.89 is: 254,836.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,849.87 : 787,399.73 = 169,863.89 : x
  2. Step 2: Convert to fraction form
    524,849.87/787,399.73 = 169,863.89/x
  3. Step 3: Cross multiply
    524,849.87x = 787,399.73 × 169,863.89
  4. Step 4: Simplify right side
    524,849.87x = 133,750,782,911.67
  5. Step 5: Solve for x
    x = 133,750,782,911.67/524,849.87
  6. Step 6: Final answer
    x = 254,836.27

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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.