Home / 551,943.33-828,007.19-172,788.61

Finding the Fourth Proportional to 551,943.33, 828,007.19 and 172,788.61

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Solution

The fourth proportional to 551,943.33, 828,007.19 and 172,788.61 is: 259,211.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,943.33 : 828,007.19 = 172,788.61 : x
  2. Step 2: Convert to fraction form
    551,943.33/828,007.19 = 172,788.61/x
  3. Step 3: Cross multiply
    551,943.33x = 828,007.19 × 172,788.61
  4. Step 4: Simplify right side
    551,943.33x = 143,070,211,430.11
  5. Step 5: Solve for x
    x = 143,070,211,430.11/551,943.33
  6. Step 6: Final answer
    x = 259,211.78

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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.