Home / 921,906.08-1,381,949.76-441,579.20

Finding the Fourth Proportional to 921,906.08, 1,381,949.76 and 441,579.20

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Solution

The fourth proportional to 921,906.08, 1,381,949.76 and 441,579.20 is: 661,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,906.08 : 1,381,949.76 = 441,579.20 : x
  2. Step 2: Convert to fraction form
    921,906.08/1,381,949.76 = 441,579.20/x
  3. Step 3: Cross multiply
    921,906.08x = 1,381,949.76 × 441,579.20
  4. Step 4: Simplify right side
    921,906.08x = 610,240,269,460.99
  5. Step 5: Solve for x
    x = 610,240,269,460.99/921,906.08
  6. Step 6: Final answer
    x = 661,933.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.