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Finding the Fourth Proportional to 1,409,714.92, 1,945,435.60 and 797,867.64

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Solution

The fourth proportional to 1,409,714.92, 1,945,435.60 and 797,867.64 is: 1,101,073.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,714.92 : 1,945,435.60 = 797,867.64 : x
  2. Step 2: Convert to fraction form
    1,409,714.92/1,945,435.60 = 797,867.64/x
  3. Step 3: Cross multiply
    1,409,714.92x = 1,945,435.60 × 797,867.64
  4. Step 4: Simplify right side
    1,409,714.92x = 1,552,200,110,943.98
  5. Step 5: Solve for x
    x = 1,552,200,110,943.98/1,409,714.92
  6. Step 6: Final answer
    x = 1,101,073.76

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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.