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Finding the Fourth Proportional to 1,347,446, 1,859,479.08 and 743,834

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Solution

The fourth proportional to 1,347,446, 1,859,479.08 and 743,834 is: 1,026,492.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,446 : 1,859,479.08 = 743,834 : x
  2. Step 2: Convert to fraction form
    1,347,446/1,859,479.08 = 743,834/x
  3. Step 3: Cross multiply
    1,347,446x = 1,859,479.08 × 743,834
  4. Step 4: Simplify right side
    1,347,446x = 1,383,143,761,992.72
  5. Step 5: Solve for x
    x = 1,383,143,761,992.72/1,347,446
  6. Step 6: Final answer
    x = 1,026,492.91

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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.