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Finding the Fourth Proportional to 1,409,594.89, 1,945,240.17 and 797,736.54

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Solution

The fourth proportional to 1,409,594.89, 1,945,240.17 and 797,736.54 is: 1,100,875.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,594.89 : 1,945,240.17 = 797,736.54 : x
  2. Step 2: Convert to fraction form
    1,409,594.89/1,945,240.17 = 797,736.54/x
  3. Step 3: Cross multiply
    1,409,594.89x = 1,945,240.17 × 797,736.54
  4. Step 4: Simplify right side
    1,409,594.89x = 1,551,789,162,684.81
  5. Step 5: Solve for x
    x = 1,551,789,162,684.81/1,409,594.89
  6. Step 6: Final answer
    x = 1,100,875.98

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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.