Finding the Fourth Proportional to 751,566.84, 1,037,161.14 and 412,056.84
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Solution
The fourth proportional to 751,566.84, 1,037,161.14 and 412,056.84 is: 568,637.84
Step by Step Solution
- Step 1: Write the proportion equation
751,566.84 : 1,037,161.14 = 412,056.84 : x - Step 2: Convert to fraction form
751,566.84/1,037,161.14 = 412,056.84/x - Step 3: Cross multiply
751,566.84x = 1,037,161.14 × 412,056.84 - Step 4: Simplify right side
751,566.84x = 427,369,341,919.20 - Step 5: Solve for x
x = 427,369,341,919.20/751,566.84 - Step 6: Final answer
x = 568,637.84
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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.