Finding the Fourth Proportional to 1,157,185.38, 1,596,897.99 and 647,905.98
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Solution
The fourth proportional to 1,157,185.38, 1,596,897.99 and 647,905.98 is: 894,100.27
Step by Step Solution
- Step 1: Write the proportion equation
1,157,185.38 : 1,596,897.99 = 647,905.98 : x - Step 2: Convert to fraction form
1,157,185.38/1,596,897.99 = 647,905.98/x - Step 3: Cross multiply
1,157,185.38x = 1,596,897.99 × 647,905.98 - Step 4: Simplify right side
1,157,185.38x = 1,034,639,757,170.98 - Step 5: Solve for x
x = 1,034,639,757,170.98/1,157,185.38 - Step 6: Final answer
x = 894,100.27
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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.