Finding the Fourth Proportional to 1,347,235.96, 1,858,541.10 and 911,805.88
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Solution
The fourth proportional to 1,347,235.96, 1,858,541.10 and 911,805.88 is: 1,257,855.90
Step by Step Solution
- Step 1: Write the proportion equation
1,347,235.96 : 1,858,541.10 = 911,805.88 : x - Step 2: Convert to fraction form
1,347,235.96/1,858,541.10 = 911,805.88/x - Step 3: Cross multiply
1,347,235.96x = 1,858,541.10 × 911,805.88 - Step 4: Simplify right side
1,347,235.96x = 1,694,628,703,201.67 - Step 5: Solve for x
x = 1,694,628,703,201.67/1,347,235.96 - Step 6: Final answer
x = 1,257,855.90
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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.