Finding the Fourth Proportional to 1,205,817.81, 1,664,044.47 and 661,874.46
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Solution
The fourth proportional to 1,205,817.81, 1,664,044.47 and 661,874.46 is: 913,395.48
Step by Step Solution
- Step 1: Write the proportion equation
1,205,817.81 : 1,664,044.47 = 661,874.46 : x - Step 2: Convert to fraction form
1,205,817.81/1,664,044.47 = 661,874.46/x - Step 3: Cross multiply
1,205,817.81x = 1,664,044.47 × 661,874.46 - Step 4: Simplify right side
1,205,817.81x = 1,101,388,534,997.24 - Step 5: Solve for x
x = 1,101,388,534,997.24/1,205,817.81 - Step 6: Final answer
x = 913,395.48
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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.