Finding the Fourth Proportional to 1,137,534.26, 1,569,806.61 and 628,245.14
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Solution
The fourth proportional to 1,137,534.26, 1,569,806.61 and 628,245.14 is: 866,983.45
Step by Step Solution
- Step 1: Write the proportion equation
1,137,534.26 : 1,569,806.61 = 628,245.14 : x - Step 2: Convert to fraction form
1,137,534.26/1,569,806.61 = 628,245.14/x - Step 3: Cross multiply
1,137,534.26x = 1,569,806.61 × 628,245.14 - Step 4: Simplify right side
1,137,534.26x = 986,223,373,472.38 - Step 5: Solve for x
x = 986,223,373,472.38/1,137,534.26 - Step 6: Final answer
x = 866,983.45
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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.