Finding the Fourth Proportional to 1,136,441.75, 1,568,248.49 and 627,133.19
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Solution
The fourth proportional to 1,136,441.75, 1,568,248.49 and 627,133.19 is: 865,421.11
Step by Step Solution
- Step 1: Write the proportion equation
1,136,441.75 : 1,568,248.49 = 627,133.19 : x - Step 2: Convert to fraction form
1,136,441.75/1,568,248.49 = 627,133.19/x - Step 3: Cross multiply
1,136,441.75x = 1,568,248.49 × 627,133.19 - Step 4: Simplify right side
1,136,441.75x = 983,500,671,972.97 - Step 5: Solve for x
x = 983,500,671,972.97/1,136,441.75 - Step 6: Final answer
x = 865,421.11
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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.