Finding the Fourth Proportional to 1,419,771.42, 1,959,053.49 and 838,913.82
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Solution
The fourth proportional to 1,419,771.42, 1,959,053.49 and 838,913.82 is: 1,157,564.54
Step by Step Solution
- Step 1: Write the proportion equation
1,419,771.42 : 1,959,053.49 = 838,913.82 : x - Step 2: Convert to fraction form
1,419,771.42/1,959,053.49 = 838,913.82/x - Step 3: Cross multiply
1,419,771.42x = 1,959,053.49 × 838,913.82 - Step 4: Simplify right side
1,419,771.42x = 1,643,477,046,880.23 - Step 5: Solve for x
x = 1,643,477,046,880.23/1,419,771.42 - Step 6: Final answer
x = 1,157,564.54
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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.