Finding the Fourth Proportional to 768,061.26, 1,059,916.86 and 423,900.36
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Solution
The fourth proportional to 768,061.26, 1,059,916.86 and 423,900.36 is: 584,978.26
Step by Step Solution
- Step 1: Write the proportion equation
768,061.26 : 1,059,916.86 = 423,900.36 : x - Step 2: Convert to fraction form
768,061.26/1,059,916.86 = 423,900.36/x - Step 3: Cross multiply
768,061.26x = 1,059,916.86 × 423,900.36 - Step 4: Simplify right side
768,061.26x = 449,299,138,524.07 - Step 5: Solve for x
x = 449,299,138,524.07/768,061.26 - Step 6: Final answer
x = 584,978.26
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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.