Finding the Fourth Proportional to 1,154,857.18, 1,730,787.64 and 514,249.37
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Solution
The fourth proportional to 1,154,857.18, 1,730,787.64 and 514,249.37 is: 770,706.95
Step by Step Solution
- Step 1: Write the proportion equation
1,154,857.18 : 1,730,787.64 = 514,249.37 : x - Step 2: Convert to fraction form
1,154,857.18/1,730,787.64 = 514,249.37/x - Step 3: Cross multiply
1,154,857.18x = 1,730,787.64 × 514,249.37 - Step 4: Simplify right side
1,154,857.18x = 890,056,456,515.13 - Step 5: Solve for x
x = 890,056,456,515.13/1,154,857.18 - Step 6: Final answer
x = 770,706.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.