Home / 1,028,865.94-1,419,819.66-569,979.55

Finding the Fourth Proportional to 1,028,865.94, 1,419,819.66 and 569,979.55

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Solution

The fourth proportional to 1,028,865.94, 1,419,819.66 and 569,979.55 is: 786,563.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,865.94 : 1,419,819.66 = 569,979.55 : x
  2. Step 2: Convert to fraction form
    1,028,865.94/1,419,819.66 = 569,979.55/x
  3. Step 3: Cross multiply
    1,028,865.94x = 1,419,819.66 × 569,979.55
  4. Step 4: Simplify right side
    1,028,865.94x = 809,268,170,887.95
  5. Step 5: Solve for x
    x = 809,268,170,887.95/1,028,865.94
  6. Step 6: Final answer
    x = 786,563.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.