Home / 825,694.29-1,139,444.42-481,730.22

Finding the Fourth Proportional to 825,694.29, 1,139,444.42 and 481,730.22

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Solution

The fourth proportional to 825,694.29, 1,139,444.42 and 481,730.22 is: 664,779.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,694.29 : 1,139,444.42 = 481,730.22 : x
  2. Step 2: Convert to fraction form
    825,694.29/1,139,444.42 = 481,730.22/x
  3. Step 3: Cross multiply
    825,694.29x = 1,139,444.42 × 481,730.22
  4. Step 4: Simplify right side
    825,694.29x = 548,904,808,715.72
  5. Step 5: Solve for x
    x = 548,904,808,715.72/825,694.29
  6. Step 6: Final answer
    x = 664,779.71

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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.