Home / 806,171.31-1,209,464.72-578,730.60

Finding the Fourth Proportional to 806,171.31, 1,209,464.72 and 578,730.60

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Solution

The fourth proportional to 806,171.31, 1,209,464.72 and 578,730.60 is: 868,245.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,171.31 : 1,209,464.72 = 578,730.60 : x
  2. Step 2: Convert to fraction form
    806,171.31/1,209,464.72 = 578,730.60/x
  3. Step 3: Cross multiply
    806,171.31x = 1,209,464.72 × 578,730.60
  4. Step 4: Simplify right side
    806,171.31x = 699,954,240,190.78
  5. Step 5: Solve for x
    x = 699,954,240,190.78/806,171.31
  6. Step 6: Final answer
    x = 868,245.04

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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.