Finding the Fourth Proportional to 1,511,644.86, 2,086,069.95 and 832,581.36
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Solution
The fourth proportional to 1,511,644.86, 2,086,069.95 and 832,581.36 is: 1,148,962.30
Step by Step Solution
- Step 1: Write the proportion equation
1,511,644.86 : 2,086,069.95 = 832,581.36 : x - Step 2: Convert to fraction form
1,511,644.86/2,086,069.95 = 832,581.36/x - Step 3: Cross multiply
1,511,644.86x = 2,086,069.95 × 832,581.36 - Step 4: Simplify right side
1,511,644.86x = 1,736,822,956,026.13 - Step 5: Solve for x
x = 1,736,822,956,026.13/1,511,644.86 - Step 6: Final answer
x = 1,148,962.30
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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.