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Finding the Fourth Proportional to 4,986,410.58, 7,479,615.60 and 1,199,893.86

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Solution

The fourth proportional to 4,986,410.58, 7,479,615.60 and 1,199,893.86 is: 1,799,840.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986,410.58 : 7,479,615.60 = 1,199,893.86 : x
  2. Step 2: Convert to fraction form
    4,986,410.58/7,479,615.60 = 1,199,893.86/x
  3. Step 3: Cross multiply
    4,986,410.58x = 7,479,615.60 × 1,199,893.86
  4. Step 4: Simplify right side
    4,986,410.58x = 8,974,744,833,600.22
  5. Step 5: Solve for x
    x = 8,974,744,833,600.22/4,986,410.58
  6. Step 6: Final answer
    x = 1,799,840.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.