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Finding the Fourth Proportional to 1,192,948, 1,646,268.24 and 656,404

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Solution

The fourth proportional to 1,192,948, 1,646,268.24 and 656,404 is: 905,837.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,948 : 1,646,268.24 = 656,404 : x
  2. Step 2: Convert to fraction form
    1,192,948/1,646,268.24 = 656,404/x
  3. Step 3: Cross multiply
    1,192,948x = 1,646,268.24 × 656,404
  4. Step 4: Simplify right side
    1,192,948x = 1,080,617,057,808.96
  5. Step 5: Solve for x
    x = 1,080,617,057,808.96/1,192,948
  6. Step 6: Final answer
    x = 905,837.52

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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.