Finding the Fourth Proportional to 1,095,715.10, 1,512,057.79 and 612,284.24
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Solution
The fourth proportional to 1,095,715.10, 1,512,057.79 and 612,284.24 is: 844,936.02
Step by Step Solution
- Step 1: Write the proportion equation
1,095,715.10 : 1,512,057.79 = 612,284.24 : x - Step 2: Convert to fraction form
1,095,715.10/1,512,057.79 = 612,284.24/x - Step 3: Cross multiply
1,095,715.10x = 1,512,057.79 × 612,284.24 - Step 4: Simplify right side
1,095,715.10x = 925,809,154,786.23 - Step 5: Solve for x
x = 925,809,154,786.23/1,095,715.10 - Step 6: Final answer
x = 844,936.02
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1.5x scale
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.