Finding the Fourth Proportional to 1,334,886.18, 1,841,634.42 and 986,862.26
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Solution
The fourth proportional to 1,334,886.18, 1,841,634.42 and 986,862.26 is: 1,361,493.99
Step by Step Solution
- Step 1: Write the proportion equation
1,334,886.18 : 1,841,634.42 = 986,862.26 : x - Step 2: Convert to fraction form
1,334,886.18/1,841,634.42 = 986,862.26/x - Step 3: Cross multiply
1,334,886.18x = 1,841,634.42 × 986,862.26 - Step 4: Simplify right side
1,334,886.18x = 1,817,439,505,814.99 - Step 5: Solve for x
x = 1,817,439,505,814.99/1,334,886.18 - Step 6: Final answer
x = 1,361,493.99
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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.