Finding the Fourth Proportional to 1,137,524.26, 1,569,792.81 and 628,235.14
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Solution
The fourth proportional to 1,137,524.26, 1,569,792.81 and 628,235.14 is: 866,969.65
Step by Step Solution
- Step 1: Write the proportion equation
1,137,524.26 : 1,569,792.81 = 628,235.14 : x - Step 2: Convert to fraction form
1,137,524.26/1,569,792.81 = 628,235.14/x - Step 3: Cross multiply
1,137,524.26x = 1,569,792.81 × 628,235.14 - Step 4: Simplify right side
1,137,524.26x = 986,199,005,761.34 - Step 5: Solve for x
x = 986,199,005,761.34/1,137,524.26 - Step 6: Final answer
x = 866,969.65
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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.