Home / 509,040.60-763,563.14-172,083.04

Finding the Fourth Proportional to 509,040.60, 763,563.14 and 172,083.04

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Solution

The fourth proportional to 509,040.60, 763,563.14 and 172,083.04 is: 258,125.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,040.60 : 763,563.14 = 172,083.04 : x
  2. Step 2: Convert to fraction form
    509,040.60/763,563.14 = 172,083.04/x
  3. Step 3: Cross multiply
    509,040.60x = 763,563.14 × 172,083.04
  4. Step 4: Simplify right side
    509,040.60x = 131,396,266,363.15
  5. Step 5: Solve for x
    x = 131,396,266,363.15/509,040.60
  6. Step 6: Final answer
    x = 258,125.32

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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.