Home / 744,481.64-1,027,567.14-422,380.28

Finding the Fourth Proportional to 744,481.64, 1,027,567.14 and 422,380.28

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Solution

The fourth proportional to 744,481.64, 1,027,567.14 and 422,380.28 is: 582,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,481.64 : 1,027,567.14 = 422,380.28 : x
  2. Step 2: Convert to fraction form
    744,481.64/1,027,567.14 = 422,380.28/x
  3. Step 3: Cross multiply
    744,481.64x = 1,027,567.14 × 422,380.28
  4. Step 4: Simplify right side
    744,481.64x = 434,024,096,312.00
  5. Step 5: Solve for x
    x = 434,024,096,312.00/744,481.64
  6. Step 6: Final answer
    x = 582,988.31

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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.