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Finding the Fourth Proportional to 1,260,867.75, 1,738,783.71 and 848,333.94

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Solution

The fourth proportional to 1,260,867.75, 1,738,783.71 and 848,333.94 is: 1,169,884.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,867.75 : 1,738,783.71 = 848,333.94 : x
  2. Step 2: Convert to fraction form
    1,260,867.75/1,738,783.71 = 848,333.94/x
  3. Step 3: Cross multiply
    1,260,867.75x = 1,738,783.71 × 848,333.94
  4. Step 4: Simplify right side
    1,260,867.75x = 1,475,069,235,512.12
  5. Step 5: Solve for x
    x = 1,475,069,235,512.12/1,260,867.75
  6. Step 6: Final answer
    x = 1,169,884.18

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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.