Finding the Fourth Proportional to 1,117,831.60, 1,542,603.06 and 627,733
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Solution
The fourth proportional to 1,117,831.60, 1,542,603.06 and 627,733 is: 866,268.99
Step by Step Solution
- Step 1: Write the proportion equation
1,117,831.60 : 1,542,603.06 = 627,733 : x - Step 2: Convert to fraction form
1,117,831.60/1,542,603.06 = 627,733/x - Step 3: Cross multiply
1,117,831.60x = 1,542,603.06 × 627,733 - Step 4: Simplify right side
1,117,831.60x = 968,342,846,662.98 - Step 5: Solve for x
x = 968,342,846,662.98/1,117,831.60 - Step 6: Final answer
x = 866,268.99
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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.