Finding the Fourth Proportional to 1,511,682.16, 2,086,121.29 and 832,618.66
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Solution
The fourth proportional to 1,511,682.16, 2,086,121.29 and 832,618.66 is: 1,149,013.70
Step by Step Solution
- Step 1: Write the proportion equation
1,511,682.16 : 2,086,121.29 = 832,618.66 : x - Step 2: Convert to fraction form
1,511,682.16/2,086,121.29 = 832,618.66/x - Step 3: Cross multiply
1,511,682.16x = 2,086,121.29 × 832,618.66 - Step 4: Simplify right side
1,511,682.16x = 1,736,943,513,077.27 - Step 5: Solve for x
x = 1,736,943,513,077.27/1,511,682.16 - Step 6: Final answer
x = 1,149,013.70
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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.