Home / 427,358.27-641,256.09-174,825.38

Finding the Fourth Proportional to 427,358.27, 641,256.09 and 174,825.38

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Solution

The fourth proportional to 427,358.27, 641,256.09 and 174,825.38 is: 262,327.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,358.27 : 641,256.09 = 174,825.38 : x
  2. Step 2: Convert to fraction form
    427,358.27/641,256.09 = 174,825.38/x
  3. Step 3: Cross multiply
    427,358.27x = 641,256.09 × 174,825.38
  4. Step 4: Simplify right side
    427,358.27x = 112,107,836,405.28
  5. Step 5: Solve for x
    x = 112,107,836,405.28/427,358.27
  6. Step 6: Final answer
    x = 262,327.53

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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.