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Finding the Fourth Proportional to 1,197,978.24, 1,654,958.84 and 1,036,553.04

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Solution

The fourth proportional to 1,197,978.24, 1,654,958.84 and 1,036,553.04 is: 1,431,956.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,978.24 : 1,654,958.84 = 1,036,553.04 : x
  2. Step 2: Convert to fraction form
    1,197,978.24/1,654,958.84 = 1,036,553.04/x
  3. Step 3: Cross multiply
    1,197,978.24x = 1,654,958.84 × 1,036,553.04
  4. Step 4: Simplify right side
    1,197,978.24x = 1,715,452,616,676.87
  5. Step 5: Solve for x
    x = 1,715,452,616,676.87/1,197,978.24
  6. Step 6: Final answer
    x = 1,431,956.41

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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.