Home / 1,165,914.56-1,608,919.62-649,641.78

Finding the Fourth Proportional to 1,165,914.56, 1,608,919.62 and 649,641.78

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Solution

The fourth proportional to 1,165,914.56, 1,608,919.62 and 649,641.78 is: 896,481.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,914.56 : 1,608,919.62 = 649,641.78 : x
  2. Step 2: Convert to fraction form
    1,165,914.56/1,608,919.62 = 649,641.78/x
  3. Step 3: Cross multiply
    1,165,914.56x = 1,608,919.62 × 649,641.78
  4. Step 4: Simplify right side
    1,165,914.56x = 1,045,221,405,813.72
  5. Step 5: Solve for x
    x = 1,045,221,405,813.72/1,165,914.56
  6. Step 6: Final answer
    x = 896,481.99

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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.