Home / 3,270,680.96-4,905,635.09-874,711.31

Finding the Fourth Proportional to 3,270,680.96, 4,905,635.09 and 874,711.31

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Solution

The fourth proportional to 3,270,680.96, 4,905,635.09 and 874,711.31 is: 1,311,963.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270,680.96 : 4,905,635.09 = 874,711.31 : x
  2. Step 2: Convert to fraction form
    3,270,680.96/4,905,635.09 = 874,711.31/x
  3. Step 3: Cross multiply
    3,270,680.96x = 4,905,635.09 × 874,711.31
  4. Step 4: Simplify right side
    3,270,680.96x = 4,291,014,467,054.14
  5. Step 5: Solve for x
    x = 4,291,014,467,054.14/3,270,680.96
  6. Step 6: Final answer
    x = 1,311,963.63

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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.