Home / 513,131.52-769,822.44-361,624.08

Finding the Fourth Proportional to 513,131.52, 769,822.44 and 361,624.08

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Solution

The fourth proportional to 513,131.52, 769,822.44 and 361,624.08 is: 542,524.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,131.52 : 769,822.44 = 361,624.08 : x
  2. Step 2: Convert to fraction form
    513,131.52/769,822.44 = 361,624.08/x
  3. Step 3: Cross multiply
    513,131.52x = 769,822.44 × 361,624.08
  4. Step 4: Simplify right side
    513,131.52x = 278,386,331,628.36
  5. Step 5: Solve for x
    x = 278,386,331,628.36/513,131.52
  6. Step 6: Final answer
    x = 542,524.33

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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.