Home / 397,111.12-595,710.24-172,317.04

Finding the Fourth Proportional to 397,111.12, 595,710.24 and 172,317.04

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Solution

The fourth proportional to 397,111.12, 595,710.24 and 172,317.04 is: 258,494.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,111.12 : 595,710.24 = 172,317.04 : x
  2. Step 2: Convert to fraction form
    397,111.12/595,710.24 = 172,317.04/x
  3. Step 3: Cross multiply
    397,111.12x = 595,710.24 × 172,317.04
  4. Step 4: Simplify right side
    397,111.12x = 102,651,025,254.49
  5. Step 5: Solve for x
    x = 102,651,025,254.49/397,111.12
  6. Step 6: Final answer
    x = 258,494.46

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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.