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Finding the Fourth Proportional to 1,412,899.98, 1,949,742.63 and 801,093.84

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Solution

The fourth proportional to 1,412,899.98, 1,949,742.63 and 801,093.84 is: 1,105,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,899.98 : 1,949,742.63 = 801,093.84 : x
  2. Step 2: Convert to fraction form
    1,412,899.98/1,949,742.63 = 801,093.84/x
  3. Step 3: Cross multiply
    1,412,899.98x = 1,949,742.63 × 801,093.84
  4. Step 4: Simplify right side
    1,412,899.98x = 1,561,926,810,478.40
  5. Step 5: Solve for x
    x = 1,561,926,810,478.40/1,412,899.98
  6. Step 6: Final answer
    x = 1,105,475.85

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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.