Home / 821,580.75-1,133,773.68-459,067.04

Finding the Fourth Proportional to 821,580.75, 1,133,773.68 and 459,067.04

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Solution

The fourth proportional to 821,580.75, 1,133,773.68 and 459,067.04 is: 633,508.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,580.75 : 1,133,773.68 = 459,067.04 : x
  2. Step 2: Convert to fraction form
    821,580.75/1,133,773.68 = 459,067.04/x
  3. Step 3: Cross multiply
    821,580.75x = 1,133,773.68 × 459,067.04
  4. Step 4: Simplify right side
    821,580.75x = 520,478,132,698.14
  5. Step 5: Solve for x
    x = 520,478,132,698.14/821,580.75
  6. Step 6: Final answer
    x = 633,508.19

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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.