Home / 741,961.32-1,023,889.92-419,671.02

Finding the Fourth Proportional to 741,961.32, 1,023,889.92 and 419,671.02

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Solution

The fourth proportional to 741,961.32, 1,023,889.92 and 419,671.02 is: 579,136.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,961.32 : 1,023,889.92 = 419,671.02 : x
  2. Step 2: Convert to fraction form
    741,961.32/1,023,889.92 = 419,671.02/x
  3. Step 3: Cross multiply
    741,961.32x = 1,023,889.92 × 419,671.02
  4. Step 4: Simplify right side
    741,961.32x = 429,696,929,359.94
  5. Step 5: Solve for x
    x = 429,696,929,359.94/741,961.32
  6. Step 6: Final answer
    x = 579,136.57

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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.