Home / 543,582.96-815,014.62-259,317.42

Finding the Fourth Proportional to 543,582.96, 815,014.62 and 259,317.42

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Solution

The fourth proportional to 543,582.96, 815,014.62 and 259,317.42 is: 388,804.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,582.96 : 815,014.62 = 259,317.42 : x
  2. Step 2: Convert to fraction form
    543,582.96/815,014.62 = 259,317.42/x
  3. Step 3: Cross multiply
    543,582.96x = 815,014.62 × 259,317.42
  4. Step 4: Simplify right side
    543,582.96x = 211,347,488,520.68
  5. Step 5: Solve for x
    x = 211,347,488,520.68/543,582.96
  6. Step 6: Final answer
    x = 388,804.48

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1.5x scale

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.