Home / 741,910.11-1,023,795.41-419,684.82

Finding the Fourth Proportional to 741,910.11, 1,023,795.41 and 419,684.82

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Solution

The fourth proportional to 741,910.11, 1,023,795.41 and 419,684.82 is: 579,142.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,910.11 : 1,023,795.41 = 419,684.82 : x
  2. Step 2: Convert to fraction form
    741,910.11/1,023,795.41 = 419,684.82/x
  3. Step 3: Cross multiply
    741,910.11x = 1,023,795.41 × 419,684.82
  4. Step 4: Simplify right side
    741,910.11x = 429,671,392,362.68
  5. Step 5: Solve for x
    x = 429,671,392,362.68/741,910.11
  6. Step 6: Final answer
    x = 579,142.12

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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.