Home / 806,268.96-1,209,405.95-199,057.34

Finding the Fourth Proportional to 806,268.96, 1,209,405.95 and 199,057.34

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Solution

The fourth proportional to 806,268.96, 1,209,405.95 and 199,057.34 is: 298,586.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,268.96 : 1,209,405.95 = 199,057.34 : x
  2. Step 2: Convert to fraction form
    806,268.96/1,209,405.95 = 199,057.34/x
  3. Step 3: Cross multiply
    806,268.96x = 1,209,405.95 × 199,057.34
  4. Step 4: Simplify right side
    806,268.96x = 240,741,124,344.86
  5. Step 5: Solve for x
    x = 240,741,124,344.86/806,268.96
  6. Step 6: Final answer
    x = 298,586.62

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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.