Finding the Fourth Proportional to 1,511,614.56, 2,086,028.10 and 832,551.06
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Solution
The fourth proportional to 1,511,614.56, 2,086,028.10 and 832,551.06 is: 1,148,920.47
Step by Step Solution
- Step 1: Write the proportion equation
1,511,614.56 : 2,086,028.10 = 832,551.06 : x - Step 2: Convert to fraction form
1,511,614.56/2,086,028.10 = 832,551.06/x - Step 3: Cross multiply
1,511,614.56x = 2,086,028.10 × 832,551.06 - Step 4: Simplify right side
1,511,614.56x = 1,736,724,905,844.79 - Step 5: Solve for x
x = 1,736,724,905,844.79/1,511,614.56 - Step 6: Final answer
x = 1,148,920.47
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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.