Home / 509,083.29-763,311.06-172,092.11

Finding the Fourth Proportional to 509,083.29, 763,311.06 and 172,092.11

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Solution

The fourth proportional to 509,083.29, 763,311.06 and 172,092.11 is: 258,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,083.29 : 763,311.06 = 172,092.11 : x
  2. Step 2: Convert to fraction form
    509,083.29/763,311.06 = 172,092.11/x
  3. Step 3: Cross multiply
    509,083.29x = 763,311.06 × 172,092.11
  4. Step 4: Simplify right side
    509,083.29x = 131,359,807,085.18
  5. Step 5: Solve for x
    x = 131,359,807,085.18/509,083.29
  6. Step 6: Final answer
    x = 258,032.05

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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.