Finding the Fourth Proportional to 1,063,593.99, 1,595,390.18 and 315,639.99
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Solution
The fourth proportional to 1,063,593.99, 1,595,390.18 and 315,639.99 is: 473,459.74
Step by Step Solution
- Step 1: Write the proportion equation
1,063,593.99 : 1,595,390.18 = 315,639.99 : x - Step 2: Convert to fraction form
1,063,593.99/1,595,390.18 = 315,639.99/x - Step 3: Cross multiply
1,063,593.99x = 1,595,390.18 × 315,639.99 - Step 4: Simplify right side
1,063,593.99x = 503,568,938,883.10 - Step 5: Solve for x
x = 503,568,938,883.10/1,063,593.99 - Step 6: Final answer
x = 473,459.74
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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.