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Finding the Fourth Proportional to 1,409,597.88, 1,945,244.31 and 797,739.54

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Solution

The fourth proportional to 1,409,597.88, 1,945,244.31 and 797,739.54 is: 1,100,880.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,597.88 : 1,945,244.31 = 797,739.54 : x
  2. Step 2: Convert to fraction form
    1,409,597.88/1,945,244.31 = 797,739.54/x
  3. Step 3: Cross multiply
    1,409,597.88x = 1,945,244.31 × 797,739.54
  4. Step 4: Simplify right side
    1,409,597.88x = 1,551,798,301,047.02
  5. Step 5: Solve for x
    x = 1,551,798,301,047.02/1,409,597.88
  6. Step 6: Final answer
    x = 1,100,880.13

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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.