Finding the Fourth Proportional to 1,366,696.12, 1,886,405.42 and 785,982.70
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Solution
The fourth proportional to 1,366,696.12, 1,886,405.42 and 785,982.70 is: 1,084,865.91
Step by Step Solution
- Step 1: Write the proportion equation
1,366,696.12 : 1,886,405.42 = 785,982.70 : x - Step 2: Convert to fraction form
1,366,696.12/1,886,405.42 = 785,982.70/x - Step 3: Cross multiply
1,366,696.12x = 1,886,405.42 × 785,982.70 - Step 4: Simplify right side
1,366,696.12x = 1,482,682,025,306.23 - Step 5: Solve for x
x = 1,482,682,025,306.23/1,366,696.12 - Step 6: Final answer
x = 1,084,865.91
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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.