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Finding the Fourth Proportional to 1,559,194, 2,151,687.88 and 843,802

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Solution

The fourth proportional to 1,559,194, 2,151,687.88 and 843,802 is: 1,164,446.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,194 : 2,151,687.88 = 843,802 : x
  2. Step 2: Convert to fraction form
    1,559,194/2,151,687.88 = 843,802/x
  3. Step 3: Cross multiply
    1,559,194x = 2,151,687.88 × 843,802
  4. Step 4: Simplify right side
    1,559,194x = 1,815,598,536,519.76
  5. Step 5: Solve for x
    x = 1,815,598,536,519.76/1,559,194
  6. Step 6: Final answer
    x = 1,164,446.85

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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.