Home / 4,263,979.50-6,396,399.36-1,385,226.54

Finding the Fourth Proportional to 4,263,979.50, 6,396,399.36 and 1,385,226.54

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Solution

The fourth proportional to 4,263,979.50, 6,396,399.36 and 1,385,226.54 is: 2,077,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263,979.50 : 6,396,399.36 = 1,385,226.54 : x
  2. Step 2: Convert to fraction form
    4,263,979.50/6,396,399.36 = 1,385,226.54/x
  3. Step 3: Cross multiply
    4,263,979.50x = 6,396,399.36 × 1,385,226.54
  4. Step 4: Simplify right side
    4,263,979.50x = 8,860,462,153,911.02
  5. Step 5: Solve for x
    x = 8,860,462,153,911.02/4,263,979.50
  6. Step 6: Final answer
    x = 2,077,979.54

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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.