Finding the Fourth Proportional to 1,013,831.49, 1,398,991.73 and 605,852.11
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Solution
The fourth proportional to 1,013,831.49, 1,398,991.73 and 605,852.11 is: 836,018.71
Step by Step Solution
- Step 1: Write the proportion equation
1,013,831.49 : 1,398,991.73 = 605,852.11 : x - Step 2: Convert to fraction form
1,013,831.49/1,398,991.73 = 605,852.11/x - Step 3: Cross multiply
1,013,831.49x = 1,398,991.73 × 605,852.11 - Step 4: Simplify right side
1,013,831.49x = 847,582,091,493.05 - Step 5: Solve for x
x = 847,582,091,493.05/1,013,831.49 - Step 6: Final answer
x = 836,018.71
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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.