Home / 1,089,102.80-1,633,654.20-1,002,011.60

Finding the Fourth Proportional to 1,089,102.80, 1,633,654.20 and 1,002,011.60

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Solution

The fourth proportional to 1,089,102.80, 1,633,654.20 and 1,002,011.60 is: 1,503,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,102.80 : 1,633,654.20 = 1,002,011.60 : x
  2. Step 2: Convert to fraction form
    1,089,102.80/1,633,654.20 = 1,002,011.60/x
  3. Step 3: Cross multiply
    1,089,102.80x = 1,633,654.20 × 1,002,011.60
  4. Step 4: Simplify right side
    1,089,102.80x = 1,636,940,458,788.72
  5. Step 5: Solve for x
    x = 1,636,940,458,788.72/1,089,102.80
  6. Step 6: Final answer
    x = 1,503,017.40

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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.