Home / 809,059.20-1,213,151.40-335,792.40

Finding the Fourth Proportional to 809,059.20, 1,213,151.40 and 335,792.40

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Solution

The fourth proportional to 809,059.20, 1,213,151.40 and 335,792.40 is: 503,507.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,059.20 : 1,213,151.40 = 335,792.40 : x
  2. Step 2: Convert to fraction form
    809,059.20/1,213,151.40 = 335,792.40/x
  3. Step 3: Cross multiply
    809,059.20x = 1,213,151.40 × 335,792.40
  4. Step 4: Simplify right side
    809,059.20x = 407,367,020,169.36
  5. Step 5: Solve for x
    x = 407,367,020,169.36/809,059.20
  6. Step 6: Final answer
    x = 503,507.06

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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.