Finding the Fourth Proportional to 1,197,687.82, 1,652,812.95 and 767,969.66
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Solution
The fourth proportional to 1,197,687.82, 1,652,812.95 and 767,969.66 is: 1,059,800.53
Step by Step Solution
- Step 1: Write the proportion equation
1,197,687.82 : 1,652,812.95 = 767,969.66 : x - Step 2: Convert to fraction form
1,197,687.82/1,652,812.95 = 767,969.66/x - Step 3: Cross multiply
1,197,687.82x = 1,652,812.95 × 767,969.66 - Step 4: Simplify right side
1,197,687.82x = 1,269,310,187,151.18 - Step 5: Solve for x
x = 1,269,310,187,151.18/1,197,687.82 - Step 6: Final answer
x = 1,059,800.53
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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.