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Finding the Fourth Proportional to 1,336,921.03, 1,844,954.06 and 763,959.84

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Solution

The fourth proportional to 1,336,921.03, 1,844,954.06 and 763,959.84 is: 1,054,266.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,921.03 : 1,844,954.06 = 763,959.84 : x
  2. Step 2: Convert to fraction form
    1,336,921.03/1,844,954.06 = 763,959.84/x
  3. Step 3: Cross multiply
    1,336,921.03x = 1,844,954.06 × 763,959.84
  4. Step 4: Simplify right side
    1,336,921.03x = 1,409,470,802,043.85
  5. Step 5: Solve for x
    x = 1,409,470,802,043.85/1,336,921.03
  6. Step 6: Final answer
    x = 1,054,266.31

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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.