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Finding the Fourth Proportional to 1,409,584.07, 1,945,227.00 and 765,004.25

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Solution

The fourth proportional to 1,409,584.07, 1,945,227.00 and 765,004.25 is: 1,055,706.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,584.07 : 1,945,227.00 = 765,004.25 : x
  2. Step 2: Convert to fraction form
    1,409,584.07/1,945,227.00 = 765,004.25/x
  3. Step 3: Cross multiply
    1,409,584.07x = 1,945,227.00 × 765,004.25
  4. Step 4: Simplify right side
    1,409,584.07x = 1,488,106,914,701.53
  5. Step 5: Solve for x
    x = 1,488,106,914,701.53/1,409,584.07
  6. Step 6: Final answer
    x = 1,055,706.39

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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.