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Finding the Fourth Proportional to 1,260,452.48, 1,739,571.48 and 716,669.75

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Solution

The fourth proportional to 1,260,452.48, 1,739,571.48 and 716,669.75 is: 989,087.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,452.48 : 1,739,571.48 = 716,669.75 : x
  2. Step 2: Convert to fraction form
    1,260,452.48/1,739,571.48 = 716,669.75/x
  3. Step 3: Cross multiply
    1,260,452.48x = 1,739,571.48 × 716,669.75
  4. Step 4: Simplify right side
    1,260,452.48x = 1,246,698,257,678.73
  5. Step 5: Solve for x
    x = 1,246,698,257,678.73/1,260,452.48
  6. Step 6: Final answer
    x = 989,087.87

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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.