Home / 397,308.86-595,949.93-172,669.32

Finding the Fourth Proportional to 397,308.86, 595,949.93 and 172,669.32

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Solution

The fourth proportional to 397,308.86, 595,949.93 and 172,669.32 is: 258,998.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,308.86 : 595,949.93 = 172,669.32 : x
  2. Step 2: Convert to fraction form
    397,308.86/595,949.93 = 172,669.32/x
  3. Step 3: Cross multiply
    397,308.86x = 595,949.93 × 172,669.32
  4. Step 4: Simplify right side
    397,308.86x = 102,902,270,754.45
  5. Step 5: Solve for x
    x = 102,902,270,754.45/397,308.86
  6. Step 6: Final answer
    x = 258,998.18

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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.