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Finding the Fourth Proportional to 1,193,404, 1,646,897.58 and 656,860

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Solution

The fourth proportional to 1,193,404, 1,646,897.58 and 656,860 is: 906,466.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,404 : 1,646,897.58 = 656,860 : x
  2. Step 2: Convert to fraction form
    1,193,404/1,646,897.58 = 656,860/x
  3. Step 3: Cross multiply
    1,193,404x = 1,646,897.58 × 656,860
  4. Step 4: Simplify right side
    1,193,404x = 1,081,781,144,398.80
  5. Step 5: Solve for x
    x = 1,081,781,144,398.80/1,193,404
  6. Step 6: Final answer
    x = 906,466.83

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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.