Finding the Fourth Proportional to 1,338,911.73, 1,847,014.97 and 854,968.05
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Solution
The fourth proportional to 1,338,911.73, 1,847,014.97 and 854,968.05 is: 1,179,419.64
Step by Step Solution
- Step 1: Write the proportion equation
1,338,911.73 : 1,847,014.97 = 854,968.05 : x - Step 2: Convert to fraction form
1,338,911.73/1,847,014.97 = 854,968.05/x - Step 3: Cross multiply
1,338,911.73x = 1,847,014.97 × 854,968.05 - Step 4: Simplify right side
1,338,911.73x = 1,579,138,787,221.71 - Step 5: Solve for x
x = 1,579,138,787,221.71/1,338,911.73 - Step 6: Final answer
x = 1,179,419.64
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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.