Home / 427,083.50-641,011.62-227,572.40

Finding the Fourth Proportional to 427,083.50, 641,011.62 and 227,572.40

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Solution

The fourth proportional to 427,083.50, 641,011.62 and 227,572.40 is: 341,564.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,083.50 : 641,011.62 = 227,572.40 : x
  2. Step 2: Convert to fraction form
    427,083.50/641,011.62 = 227,572.40/x
  3. Step 3: Cross multiply
    427,083.50x = 641,011.62 × 227,572.40
  4. Step 4: Simplify right side
    427,083.50x = 145,876,552,791.29
  5. Step 5: Solve for x
    x = 145,876,552,791.29/427,083.50
  6. Step 6: Final answer
    x = 341,564.48

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1.5x scale

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.