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Finding the Fourth Proportional to 1,372,194, 1,893,627.72 and 835,650

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Solution

The fourth proportional to 1,372,194, 1,893,627.72 and 835,650 is: 1,153,197

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,194 : 1,893,627.72 = 835,650 : x
  2. Step 2: Convert to fraction form
    1,372,194/1,893,627.72 = 835,650/x
  3. Step 3: Cross multiply
    1,372,194x = 1,893,627.72 × 835,650
  4. Step 4: Simplify right side
    1,372,194x = 1,582,410,004,218
  5. Step 5: Solve for x
    x = 1,582,410,004,218/1,372,194
  6. Step 6: Final answer
    x = 1,153,197

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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.