Finding the Fourth Proportional to 1,366,924.08, 1,886,412.49 and 786,147.60
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Solution
The fourth proportional to 1,366,924.08, 1,886,412.49 and 786,147.60 is: 1,084,916.62
Step by Step Solution
- Step 1: Write the proportion equation
1,366,924.08 : 1,886,412.49 = 786,147.60 : x - Step 2: Convert to fraction form
1,366,924.08/1,886,412.49 = 786,147.60/x - Step 3: Cross multiply
1,366,924.08x = 1,886,412.49 × 786,147.60 - Step 4: Simplify right side
1,366,924.08x = 1,482,998,651,623.52 - Step 5: Solve for x
x = 1,482,998,651,623.52/1,366,924.08 - Step 6: Final answer
x = 1,084,916.62
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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.