Home / 782,556.41-1,173,492.79-276,949.41

Finding the Fourth Proportional to 782,556.41, 1,173,492.79 and 276,949.41

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Solution

The fourth proportional to 782,556.41, 1,173,492.79 and 276,949.41 is: 415,303.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,556.41 : 1,173,492.79 = 276,949.41 : x
  2. Step 2: Convert to fraction form
    782,556.41/1,173,492.79 = 276,949.41/x
  3. Step 3: Cross multiply
    782,556.41x = 1,173,492.79 × 276,949.41
  4. Step 4: Simplify right side
    782,556.41x = 324,998,135,829.75
  5. Step 5: Solve for x
    x = 324,998,135,829.75/782,556.41
  6. Step 6: Final answer
    x = 415,303.14

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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.