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Finding the Fourth Proportional to 1,419,546, 1,958,955.60 and 807,696.84

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Solution

The fourth proportional to 1,419,546, 1,958,955.60 and 807,696.84 is: 1,114,611.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,546 : 1,958,955.60 = 807,696.84 : x
  2. Step 2: Convert to fraction form
    1,419,546/1,958,955.60 = 807,696.84/x
  3. Step 3: Cross multiply
    1,419,546x = 1,958,955.60 × 807,696.84
  4. Step 4: Simplify right side
    1,419,546x = 1,582,242,247,820.30
  5. Step 5: Solve for x
    x = 1,582,242,247,820.30/1,419,546
  6. Step 6: Final answer
    x = 1,114,611.47

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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.