Finding the Fourth Proportional to 1,135,857.60, 1,703,674.62 and 461,979.18
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Solution
The fourth proportional to 1,135,857.60, 1,703,674.62 and 461,979.18 is: 692,923.31
Step by Step Solution
- Step 1: Write the proportion equation
1,135,857.60 : 1,703,674.62 = 461,979.18 : x - Step 2: Convert to fraction form
1,135,857.60/1,703,674.62 = 461,979.18/x - Step 3: Cross multiply
1,135,857.60x = 1,703,674.62 × 461,979.18 - Step 4: Simplify right side
1,135,857.60x = 787,062,203,934.41 - Step 5: Solve for x
x = 787,062,203,934.41/1,135,857.60 - Step 6: Final answer
x = 692,923.31
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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.