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Finding the Fourth Proportional to 1,204,392, 1,662,060.96 and 667,848

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Solution

The fourth proportional to 1,204,392, 1,662,060.96 and 667,848 is: 921,630.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,392 : 1,662,060.96 = 667,848 : x
  2. Step 2: Convert to fraction form
    1,204,392/1,662,060.96 = 667,848/x
  3. Step 3: Cross multiply
    1,204,392x = 1,662,060.96 × 667,848
  4. Step 4: Simplify right side
    1,204,392x = 1,110,004,088,014.08
  5. Step 5: Solve for x
    x = 1,110,004,088,014.08/1,204,392
  6. Step 6: Final answer
    x = 921,630.24

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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.