Home / 752,109.39-1,037,849.27-412,577.64

Finding the Fourth Proportional to 752,109.39, 1,037,849.27 and 412,577.64

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Solution

The fourth proportional to 752,109.39, 1,037,849.27 and 412,577.64 is: 569,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,109.39 : 1,037,849.27 = 412,577.64 : x
  2. Step 2: Convert to fraction form
    752,109.39/1,037,849.27 = 412,577.64/x
  3. Step 3: Cross multiply
    752,109.39x = 1,037,849.27 × 412,577.64
  4. Step 4: Simplify right side
    752,109.39x = 428,193,400,429.44
  5. Step 5: Solve for x
    x = 428,193,400,429.44/752,109.39
  6. Step 6: Final answer
    x = 569,323.30

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Double scale
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1.5x scale

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.