Home / 744,285.72-1,027,090.26-422,024.52

Finding the Fourth Proportional to 744,285.72, 1,027,090.26 and 422,024.52

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Solution

The fourth proportional to 744,285.72, 1,027,090.26 and 422,024.52 is: 582,380.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,285.72 : 1,027,090.26 = 422,024.52 : x
  2. Step 2: Convert to fraction form
    744,285.72/1,027,090.26 = 422,024.52/x
  3. Step 3: Cross multiply
    744,285.72x = 1,027,090.26 × 422,024.52
  4. Step 4: Simplify right side
    744,285.72x = 433,457,273,973.18
  5. Step 5: Solve for x
    x = 433,457,273,973.18/744,285.72
  6. Step 6: Final answer
    x = 582,380.21

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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.