Finding the Fourth Proportional to 1,191,376.36, 1,787,195.24 and 516,994.12
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Solution
The fourth proportional to 1,191,376.36, 1,787,195.24 and 516,994.12 is: 775,547.90
Step by Step Solution
- Step 1: Write the proportion equation
1,191,376.36 : 1,787,195.24 = 516,994.12 : x - Step 2: Convert to fraction form
1,191,376.36/1,787,195.24 = 516,994.12/x - Step 3: Cross multiply
1,191,376.36x = 1,787,195.24 × 516,994.12 - Step 4: Simplify right side
1,191,376.36x = 923,969,430,371.99 - Step 5: Solve for x
x = 923,969,430,371.99/1,191,376.36 - Step 6: Final answer
x = 775,547.90
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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.