Home / 801,362.69-1,105,910.30-457,254.64

Finding the Fourth Proportional to 801,362.69, 1,105,910.30 and 457,254.64

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Solution

The fourth proportional to 801,362.69, 1,105,910.30 and 457,254.64 is: 631,028.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,362.69 : 1,105,910.30 = 457,254.64 : x
  2. Step 2: Convert to fraction form
    801,362.69/1,105,910.30 = 457,254.64/x
  3. Step 3: Cross multiply
    801,362.69x = 1,105,910.30 × 457,254.64
  4. Step 4: Simplify right side
    801,362.69x = 505,682,608,282.97
  5. Step 5: Solve for x
    x = 505,682,608,282.97/801,362.69
  6. Step 6: Final answer
    x = 631,028.39

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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.