Finding the Fourth Proportional to 841,776, 1,161,644 and 459,802.88
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Solution
The fourth proportional to 841,776, 1,161,644 and 459,802.88 is: 634,524.22
Step by Step Solution
- Step 1: Write the proportion equation
841,776 : 1,161,644 = 459,802.88 : x - Step 2: Convert to fraction form
841,776/1,161,644 = 459,802.88/x - Step 3: Cross multiply
841,776x = 1,161,644 × 459,802.88 - Step 4: Simplify right side
841,776x = 534,127,256,734.72 - Step 5: Solve for x
x = 534,127,256,734.72/841,776 - Step 6: Final answer
x = 634,524.22
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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.