Finding the Fourth Proportional to 1,149,451.08, 1,586,291.70 and 640,153.47
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Solution
The fourth proportional to 1,149,451.08, 1,586,291.70 and 640,153.47 is: 883,439.19
Step by Step Solution
- Step 1: Write the proportion equation
1,149,451.08 : 1,586,291.70 = 640,153.47 : x - Step 2: Convert to fraction form
1,149,451.08/1,586,291.70 = 640,153.47/x - Step 3: Cross multiply
1,149,451.08x = 1,586,291.70 × 640,153.47 - Step 4: Simplify right side
1,149,451.08x = 1,015,470,136,187.20 - Step 5: Solve for x
x = 1,015,470,136,187.20/1,149,451.08 - Step 6: Final answer
x = 883,439.19
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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.