Finding the Fourth Proportional to 1,136,411.12, 1,568,194.08 and 652,635.20
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Solution
The fourth proportional to 1,136,411.12, 1,568,194.08 and 652,635.20 is: 900,605.99
Step by Step Solution
- Step 1: Write the proportion equation
1,136,411.12 : 1,568,194.08 = 652,635.20 : x - Step 2: Convert to fraction form
1,136,411.12/1,568,194.08 = 652,635.20/x - Step 3: Cross multiply
1,136,411.12x = 1,568,194.08 × 652,635.20 - Step 4: Simplify right side
1,136,411.12x = 1,023,458,657,039.62 - Step 5: Solve for x
x = 1,023,458,657,039.62/1,136,411.12 - Step 6: Final answer
x = 900,605.99
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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.