Home / 753,194.16-1,038,974.04-451,213.20

Finding the Fourth Proportional to 753,194.16, 1,038,974.04 and 451,213.20

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Solution

The fourth proportional to 753,194.16, 1,038,974.04 and 451,213.20 is: 622,414.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,194.16 : 1,038,974.04 = 451,213.20 : x
  2. Step 2: Convert to fraction form
    753,194.16/1,038,974.04 = 451,213.20/x
  3. Step 3: Cross multiply
    753,194.16x = 1,038,974.04 × 451,213.20
  4. Step 4: Simplify right side
    753,194.16x = 468,798,801,305.33
  5. Step 5: Solve for x
    x = 468,798,801,305.33/753,194.16
  6. Step 6: Final answer
    x = 622,414.28

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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.