Finding the Fourth Proportional to 1,511,455.05, 2,085,794.15 and 832,376.97
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Solution
The fourth proportional to 1,511,455.05, 2,085,794.15 and 832,376.97 is: 1,148,672.61
Step by Step Solution
- Step 1: Write the proportion equation
1,511,455.05 : 2,085,794.15 = 832,376.97 : x - Step 2: Convert to fraction form
1,511,455.05/2,085,794.15 = 832,376.97/x - Step 3: Cross multiply
1,511,455.05x = 2,085,794.15 × 832,376.97 - Step 4: Simplify right side
1,511,455.05x = 1,736,167,010,458.84 - Step 5: Solve for x
x = 1,736,167,010,458.84/1,511,455.05 - Step 6: Final answer
x = 1,148,672.61
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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.