Finding the Fourth Proportional to 923,112.60, 1,273,896 and 509,649.72
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Solution
The fourth proportional to 923,112.60, 1,273,896 and 509,649.72 is: 703,316.95
Step by Step Solution
- Step 1: Write the proportion equation
923,112.60 : 1,273,896 = 509,649.72 : x - Step 2: Convert to fraction form
923,112.60/1,273,896 = 509,649.72/x - Step 3: Cross multiply
923,112.60x = 1,273,896 × 509,649.72 - Step 4: Simplify right side
923,112.60x = 649,240,739,709.12 - Step 5: Solve for x
x = 649,240,739,709.12/923,112.60 - Step 6: Final answer
x = 703,316.95
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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.