Finding the Fourth Proportional to 1,185,207.84, 1,635,591.17 and 641,343.65
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Solution
The fourth proportional to 1,185,207.84, 1,635,591.17 and 641,343.65 is: 885,056.58
Step by Step Solution
- Step 1: Write the proportion equation
1,185,207.84 : 1,635,591.17 = 641,343.65 : x - Step 2: Convert to fraction form
1,185,207.84/1,635,591.17 = 641,343.65/x - Step 3: Cross multiply
1,185,207.84x = 1,635,591.17 × 641,343.65 - Step 4: Simplify right side
1,185,207.84x = 1,048,975,999,490.90 - Step 5: Solve for x
x = 1,048,975,999,490.90/1,185,207.84 - Step 6: Final answer
x = 885,056.58
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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.