Home / 427,083.68-589,434-245,791.92

Finding the Fourth Proportional to 427,083.68, 589,434 and 245,791.92

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Solution

The fourth proportional to 427,083.68, 589,434 and 245,791.92 is: 339,226.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,083.68 : 589,434 = 245,791.92 : x
  2. Step 2: Convert to fraction form
    427,083.68/589,434 = 245,791.92/x
  3. Step 3: Cross multiply
    427,083.68x = 589,434 × 245,791.92
  4. Step 4: Simplify right side
    427,083.68x = 144,878,114,573.28
  5. Step 5: Solve for x
    x = 144,878,114,573.28/427,083.68
  6. Step 6: Final answer
    x = 339,226.53

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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.