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Finding the Fourth Proportional to 1,363,695.72, 1,881,984.42 and 751,845.48

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Solution

The fourth proportional to 1,363,695.72, 1,881,984.42 and 751,845.48 is: 1,037,593.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,695.72 : 1,881,984.42 = 751,845.48 : x
  2. Step 2: Convert to fraction form
    1,363,695.72/1,881,984.42 = 751,845.48/x
  3. Step 3: Cross multiply
    1,363,695.72x = 1,881,984.42 × 751,845.48
  4. Step 4: Simplify right side
    1,363,695.72x = 1,414,961,479,607.42
  5. Step 5: Solve for x
    x = 1,414,961,479,607.42/1,363,695.72
  6. Step 6: Final answer
    x = 1,037,593.25

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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.