Finding the Fourth Proportional to 836,093.12, 1,153,639.12 and 509,187
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Solution
The fourth proportional to 836,093.12, 1,153,639.12 and 509,187 is: 702,574.90
Step by Step Solution
- Step 1: Write the proportion equation
836,093.12 : 1,153,639.12 = 509,187 : x - Step 2: Convert to fraction form
836,093.12/1,153,639.12 = 509,187/x - Step 3: Cross multiply
836,093.12x = 1,153,639.12 × 509,187 - Step 4: Simplify right side
836,093.12x = 587,418,042,595.44 - Step 5: Solve for x
x = 587,418,042,595.44/836,093.12 - Step 6: Final answer
x = 702,574.90
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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.