Home / 1,608,609.54-2,412,912.90-410,531.76

Finding the Fourth Proportional to 1,608,609.54, 2,412,912.90 and 410,531.76

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Solution

The fourth proportional to 1,608,609.54, 2,412,912.90 and 410,531.76 is: 615,797.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,609.54 : 2,412,912.90 = 410,531.76 : x
  2. Step 2: Convert to fraction form
    1,608,609.54/2,412,912.90 = 410,531.76/x
  3. Step 3: Cross multiply
    1,608,609.54x = 2,412,912.90 × 410,531.76
  4. Step 4: Simplify right side
    1,608,609.54x = 990,577,379,563.70
  5. Step 5: Solve for x
    x = 990,577,379,563.70/1,608,609.54
  6. Step 6: Final answer
    x = 615,797.28

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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.