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Finding the Fourth Proportional to 1,347,360.32, 1,859,353.44 and 743,744

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Solution

The fourth proportional to 1,347,360.32, 1,859,353.44 and 743,744 is: 1,026,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,360.32 : 1,859,353.44 = 743,744 : x
  2. Step 2: Convert to fraction form
    1,347,360.32/1,859,353.44 = 743,744/x
  3. Step 3: Cross multiply
    1,347,360.32x = 1,859,353.44 × 743,744
  4. Step 4: Simplify right side
    1,347,360.32x = 1,382,882,964,879.36
  5. Step 5: Solve for x
    x = 1,382,882,964,879.36/1,347,360.32
  6. Step 6: Final answer
    x = 1,026,364.62

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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.