Finding the Fourth Proportional to 741,841.80, 1,112,762.70 and 476,121.30
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Solution
The fourth proportional to 741,841.80, 1,112,762.70 and 476,121.30 is: 714,181.95
Step by Step Solution
- Step 1: Write the proportion equation
741,841.80 : 1,112,762.70 = 476,121.30 : x - Step 2: Convert to fraction form
741,841.80/1,112,762.70 = 476,121.30/x - Step 3: Cross multiply
741,841.80x = 1,112,762.70 × 476,121.30 - Step 4: Simplify right side
741,841.80x = 529,810,023,315.51 - Step 5: Solve for x
x = 529,810,023,315.51/741,841.80 - Step 6: Final answer
x = 714,181.95
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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.