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Finding the Fourth Proportional to 1,258,627.14, 1,736,902.44 and 685,672.02

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Solution

The fourth proportional to 1,258,627.14, 1,736,902.44 and 685,672.02 is: 946,225.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,627.14 : 1,736,902.44 = 685,672.02 : x
  2. Step 2: Convert to fraction form
    1,258,627.14/1,736,902.44 = 685,672.02/x
  3. Step 3: Cross multiply
    1,258,627.14x = 1,736,902.44 × 685,672.02
  4. Step 4: Simplify right side
    1,258,627.14x = 1,190,945,404,577.73
  5. Step 5: Solve for x
    x = 1,190,945,404,577.73/1,258,627.14
  6. Step 6: Final answer
    x = 946,225.75

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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.