Finding the Fourth Proportional to 1,185,283.06, 1,635,690.58 and 641,418.84
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Solution
The fourth proportional to 1,185,283.06, 1,635,690.58 and 641,418.84 is: 885,157.98
Step by Step Solution
- Step 1: Write the proportion equation
1,185,283.06 : 1,635,690.58 = 641,418.84 : x - Step 2: Convert to fraction form
1,185,283.06/1,635,690.58 = 641,418.84/x - Step 3: Cross multiply
1,185,283.06x = 1,635,690.58 × 641,418.84 - Step 4: Simplify right side
1,185,283.06x = 1,049,162,752,818.98 - Step 5: Solve for x
x = 1,049,162,752,818.98/1,185,283.06 - Step 6: Final answer
x = 885,157.98
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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.