Finding the Fourth Proportional to 733,627.60, 1,012,447.84 and 411,322.08
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Solution
The fourth proportional to 733,627.60, 1,012,447.84 and 411,322.08 is: 567,647.88
Step by Step Solution
- Step 1: Write the proportion equation
733,627.60 : 1,012,447.84 = 411,322.08 : x - Step 2: Convert to fraction form
733,627.60/1,012,447.84 = 411,322.08/x - Step 3: Cross multiply
733,627.60x = 1,012,447.84 × 411,322.08 - Step 4: Simplify right side
733,627.60x = 416,442,151,440.31 - Step 5: Solve for x
x = 416,442,151,440.31/733,627.60 - Step 6: Final answer
x = 567,647.88
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1.5x scale
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.