Home / 744,892.88-1,027,975.48-422,616.56

Finding the Fourth Proportional to 744,892.88, 1,027,975.48 and 422,616.56

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Solution

The fourth proportional to 744,892.88, 1,027,975.48 and 422,616.56 is: 583,224.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,892.88 : 1,027,975.48 = 422,616.56 : x
  2. Step 2: Convert to fraction form
    744,892.88/1,027,975.48 = 422,616.56/x
  3. Step 3: Cross multiply
    744,892.88x = 1,027,975.48 × 422,616.56
  4. Step 4: Simplify right side
    744,892.88x = 434,439,461,121.95
  5. Step 5: Solve for x
    x = 434,439,461,121.95/744,892.88
  6. Step 6: Final answer
    x = 583,224.08

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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.