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Finding the Fourth Proportional to 1,559,192, 2,151,685.12 and 843,800

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Solution

The fourth proportional to 1,559,192, 2,151,685.12 and 843,800 is: 1,164,444.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,192 : 2,151,685.12 = 843,800 : x
  2. Step 2: Convert to fraction form
    1,559,192/2,151,685.12 = 843,800/x
  3. Step 3: Cross multiply
    1,559,192x = 2,151,685.12 × 843,800
  4. Step 4: Simplify right side
    1,559,192x = 1,815,591,904,256
  5. Step 5: Solve for x
    x = 1,815,591,904,256/1,559,192
  6. Step 6: Final answer
    x = 1,164,444.09

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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.