Home / 744,757.77-1,027,735.45-422,460.94

Finding the Fourth Proportional to 744,757.77, 1,027,735.45 and 422,460.94

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Solution

The fourth proportional to 744,757.77, 1,027,735.45 and 422,460.94 is: 582,978.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,757.77 : 1,027,735.45 = 422,460.94 : x
  2. Step 2: Convert to fraction form
    744,757.77/1,027,735.45 = 422,460.94/x
  3. Step 3: Cross multiply
    744,757.77x = 1,027,735.45 × 422,460.94
  4. Step 4: Simplify right side
    744,757.77x = 434,178,082,166.02
  5. Step 5: Solve for x
    x = 434,178,082,166.02/744,757.77
  6. Step 6: Final answer
    x = 582,978.93

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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.