Home / 934,059.20-1,399,015.20-809,643.20

Finding the Fourth Proportional to 934,059.20, 1,399,015.20 and 809,643.20

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Solution

The fourth proportional to 934,059.20, 1,399,015.20 and 809,643.20 is: 1,212,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,059.20 : 1,399,015.20 = 809,643.20 : x
  2. Step 2: Convert to fraction form
    934,059.20/1,399,015.20 = 809,643.20/x
  3. Step 3: Cross multiply
    934,059.20x = 1,399,015.20 × 809,643.20
  4. Step 4: Simplify right side
    934,059.20x = 1,132,703,143,376.64
  5. Step 5: Solve for x
    x = 1,132,703,143,376.64/934,059.20
  6. Step 6: Final answer
    x = 1,212,667.40

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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.