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Finding the Fourth Proportional to 3,952,705.95, 5,929,157.34 and 1,112,798.97

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Solution

The fourth proportional to 3,952,705.95, 5,929,157.34 and 1,112,798.97 is: 1,669,226.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952,705.95 : 5,929,157.34 = 1,112,798.97 : x
  2. Step 2: Convert to fraction form
    3,952,705.95/5,929,157.34 = 1,112,798.97/x
  3. Step 3: Cross multiply
    3,952,705.95x = 5,929,157.34 × 1,112,798.97
  4. Step 4: Simplify right side
    3,952,705.95x = 6,597,960,180,919.94
  5. Step 5: Solve for x
    x = 6,597,960,180,919.94/3,952,705.95
  6. Step 6: Final answer
    x = 1,669,226.16

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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.