Home / 521,860.75-782,544.39-202,162.35

Finding the Fourth Proportional to 521,860.75, 782,544.39 and 202,162.35

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Solution

The fourth proportional to 521,860.75, 782,544.39 and 202,162.35 is: 303,147.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,860.75 : 782,544.39 = 202,162.35 : x
  2. Step 2: Convert to fraction form
    521,860.75/782,544.39 = 202,162.35/x
  3. Step 3: Cross multiply
    521,860.75x = 782,544.39 × 202,162.35
  4. Step 4: Simplify right side
    521,860.75x = 158,201,012,861.72
  5. Step 5: Solve for x
    x = 158,201,012,861.72/521,860.75
  6. Step 6: Final answer
    x = 303,147.94

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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.