Finding the Fourth Proportional to 1,511,724.10, 2,086,178.84 and 832,660.60
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Solution
The fourth proportional to 1,511,724.10, 2,086,178.84 and 832,660.60 is: 1,149,071.40
Step by Step Solution
- Step 1: Write the proportion equation
1,511,724.10 : 2,086,178.84 = 832,660.60 : x - Step 2: Convert to fraction form
1,511,724.10/2,086,178.84 = 832,660.60/x - Step 3: Cross multiply
1,511,724.10x = 2,086,178.84 × 832,660.60 - Step 4: Simplify right side
1,511,724.10x = 1,737,078,924,621.70 - Step 5: Solve for x
x = 1,737,078,924,621.70/1,511,724.10 - Step 6: Final answer
x = 1,149,071.40
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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.