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Finding the Fourth Proportional to 1,305,994.03, 1,953,922.59 and 1,144,857.92

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Solution

The fourth proportional to 1,305,994.03, 1,953,922.59 and 1,144,857.92 is: 1,712,843.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,994.03 : 1,953,922.59 = 1,144,857.92 : x
  2. Step 2: Convert to fraction form
    1,305,994.03/1,953,922.59 = 1,144,857.92/x
  3. Step 3: Cross multiply
    1,305,994.03x = 1,953,922.59 × 1,144,857.92
  4. Step 4: Simplify right side
    1,305,994.03x = 2,236,963,742,458.80
  5. Step 5: Solve for x
    x = 2,236,963,742,458.80/1,305,994.03
  6. Step 6: Final answer
    x = 1,712,843.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.