Home / 744,343.08-1,027,216.42-422,066.60

Finding the Fourth Proportional to 744,343.08, 1,027,216.42 and 422,066.60

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Solution

The fourth proportional to 744,343.08, 1,027,216.42 and 422,066.60 is: 582,464.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,343.08 : 1,027,216.42 = 422,066.60 : x
  2. Step 2: Convert to fraction form
    744,343.08/1,027,216.42 = 422,066.60/x
  3. Step 3: Cross multiply
    744,343.08x = 1,027,216.42 × 422,066.60
  4. Step 4: Simplify right side
    744,343.08x = 433,553,741,853.57
  5. Step 5: Solve for x
    x = 433,553,741,853.57/744,343.08
  6. Step 6: Final answer
    x = 582,464.93

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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.