Finding the Fourth Proportional to 751,317.88, 1,036,492.84 and 497,023.24
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Solution
The fourth proportional to 751,317.88, 1,036,492.84 and 497,023.24 is: 685,676.52
Step by Step Solution
- Step 1: Write the proportion equation
751,317.88 : 1,036,492.84 = 497,023.24 : x - Step 2: Convert to fraction form
751,317.88/1,036,492.84 = 497,023.24/x - Step 3: Cross multiply
751,317.88x = 1,036,492.84 × 497,023.24 - Step 4: Simplify right side
751,317.88x = 515,161,029,573.60 - Step 5: Solve for x
x = 515,161,029,573.60/751,317.88 - Step 6: Final answer
x = 685,676.52
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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.