Home / 809,091.51-1,213,834.85-269,346.74

Finding the Fourth Proportional to 809,091.51, 1,213,834.85 and 269,346.74

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Solution

The fourth proportional to 809,091.51, 1,213,834.85 and 269,346.74 is: 404,085.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,091.51 : 1,213,834.85 = 269,346.74 : x
  2. Step 2: Convert to fraction form
    809,091.51/1,213,834.85 = 269,346.74/x
  3. Step 3: Cross multiply
    809,091.51x = 1,213,834.85 × 269,346.74
  4. Step 4: Simplify right side
    809,091.51x = 326,942,459,745.89
  5. Step 5: Solve for x
    x = 326,942,459,745.89/809,091.51
  6. Step 6: Final answer
    x = 404,085.89

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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.