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Finding the Fourth Proportional to 1,193,203, 1,646,623.38 and 656,659

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Solution

The fourth proportional to 1,193,203, 1,646,623.38 and 656,659 is: 906,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,203 : 1,646,623.38 = 656,659 : x
  2. Step 2: Convert to fraction form
    1,193,203/1,646,623.38 = 656,659/x
  3. Step 3: Cross multiply
    1,193,203x = 1,646,623.38 × 656,659
  4. Step 4: Simplify right side
    1,193,203x = 1,081,270,062,087.42
  5. Step 5: Solve for x
    x = 1,081,270,062,087.42/1,193,203
  6. Step 6: Final answer
    x = 906,191.20

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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.