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Finding the Fourth Proportional to 1,266,893.32, 1,748,250.42 and 693,936.04

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Solution

The fourth proportional to 1,266,893.32, 1,748,250.42 and 693,936.04 is: 957,597.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,893.32 : 1,748,250.42 = 693,936.04 : x
  2. Step 2: Convert to fraction form
    1,266,893.32/1,748,250.42 = 693,936.04/x
  3. Step 3: Cross multiply
    1,266,893.32x = 1,748,250.42 × 693,936.04
  4. Step 4: Simplify right side
    1,266,893.32x = 1,213,173,973,383.14
  5. Step 5: Solve for x
    x = 1,213,173,973,383.14/1,266,893.32
  6. Step 6: Final answer
    x = 957,597.58

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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.