Finding the Fourth Proportional to 1,416,795.78, 2,125,183.08 and 405,918.59
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Solution
The fourth proportional to 1,416,795.78, 2,125,183.08 and 405,918.59 is: 608,874.85
Step by Step Solution
- Step 1: Write the proportion equation
1,416,795.78 : 2,125,183.08 = 405,918.59 : x - Step 2: Convert to fraction form
1,416,795.78/2,125,183.08 = 405,918.59/x - Step 3: Cross multiply
1,416,795.78x = 2,125,183.08 × 405,918.59 - Step 4: Simplify right side
1,416,795.78x = 862,651,319,892.60 - Step 5: Solve for x
x = 862,651,319,892.60/1,416,795.78 - Step 6: Final answer
x = 608,874.85
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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.