Finding the Fourth Proportional to 1,185,252.11, 1,635,652.22 and 641,387.84
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Solution
The fourth proportional to 1,185,252.11, 1,635,652.22 and 641,387.84 is: 885,117.54
Step by Step Solution
- Step 1: Write the proportion equation
1,185,252.11 : 1,635,652.22 = 641,387.84 : x - Step 2: Convert to fraction form
1,185,252.11/1,635,652.22 = 641,387.84/x - Step 3: Cross multiply
1,185,252.11x = 1,635,652.22 × 641,387.84 - Step 4: Simplify right side
1,185,252.11x = 1,049,087,432,991.80 - Step 5: Solve for x
x = 1,049,087,432,991.80/1,185,252.11 - Step 6: Final answer
x = 885,117.54
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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.