Home / 891,198.54-1,229,921.90-504,021.62

Finding the Fourth Proportional to 891,198.54, 1,229,921.90 and 504,021.62

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Solution

The fourth proportional to 891,198.54, 1,229,921.90 and 504,021.62 is: 695,588.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,198.54 : 1,229,921.90 = 504,021.62 : x
  2. Step 2: Convert to fraction form
    891,198.54/1,229,921.90 = 504,021.62/x
  3. Step 3: Cross multiply
    891,198.54x = 1,229,921.90 × 504,021.62
  4. Step 4: Simplify right side
    891,198.54x = 619,907,219,841.76
  5. Step 5: Solve for x
    x = 619,907,219,841.76/891,198.54
  6. Step 6: Final answer
    x = 695,588.24

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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.