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Finding the Fourth Proportional to 1,801,783, 2,486,460.84 and 985,986.90

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Solution

The fourth proportional to 1,801,783, 2,486,460.84 and 985,986.90 is: 1,360,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801,783 : 2,486,460.84 = 985,986.90 : x
  2. Step 2: Convert to fraction form
    1,801,783/2,486,460.84 = 985,986.90/x
  3. Step 3: Cross multiply
    1,801,783x = 2,486,460.84 × 985,986.90
  4. Step 4: Simplify right side
    1,801,783x = 2,451,617,815,603.00
  5. Step 5: Solve for x
    x = 2,451,617,815,603.00/1,801,783
  6. Step 6: Final answer
    x = 1,360,662.09

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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.