Home / 397,364.10-596,046.15-172,686.30

Finding the Fourth Proportional to 397,364.10, 596,046.15 and 172,686.30

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Solution

The fourth proportional to 397,364.10, 596,046.15 and 172,686.30 is: 259,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,364.10 : 596,046.15 = 172,686.30 : x
  2. Step 2: Convert to fraction form
    397,364.10/596,046.15 = 172,686.30/x
  3. Step 3: Cross multiply
    397,364.10x = 596,046.15 × 172,686.30
  4. Step 4: Simplify right side
    397,364.10x = 102,929,004,272.75
  5. Step 5: Solve for x
    x = 102,929,004,272.75/397,364.10
  6. Step 6: Final answer
    x = 259,029.45

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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.