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Finding the Fourth Proportional to 851,393.62, 1,179,994.81 and 835,450.39

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Solution

The fourth proportional to 851,393.62, 1,179,994.81 and 835,450.39 is: 1,157,898.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,393.62 : 1,179,994.81 = 835,450.39 : x
  2. Step 2: Convert to fraction form
    851,393.62/1,179,994.81 = 835,450.39/x
  3. Step 3: Cross multiply
    851,393.62x = 1,179,994.81 × 835,450.39
  4. Step 4: Simplify right side
    851,393.62x = 985,827,124,212.48
  5. Step 5: Solve for x
    x = 985,827,124,212.48/851,393.62
  6. Step 6: Final answer
    x = 1,157,898.18

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.