Finding the Fourth Proportional to 1,149,536.61, 1,586,409.57 and 640,239.03
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Solution
The fourth proportional to 1,149,536.61, 1,586,409.57 and 640,239.03 is: 883,557.18
Step by Step Solution
- Step 1: Write the proportion equation
1,149,536.61 : 1,586,409.57 = 640,239.03 : x - Step 2: Convert to fraction form
1,149,536.61/1,586,409.57 = 640,239.03/x - Step 3: Cross multiply
1,149,536.61x = 1,586,409.57 × 640,239.03 - Step 4: Simplify right side
1,149,536.61x = 1,015,681,324,279.52 - Step 5: Solve for x
x = 1,015,681,324,279.52/1,149,536.61 - Step 6: Final answer
x = 883,557.18
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.