Finding the Fourth Proportional to 681,921.70, 941,455.14 and 606,260.81
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Solution
The fourth proportional to 681,921.70, 941,455.14 and 606,260.81 is: 836,998.38
Step by Step Solution
- Step 1: Write the proportion equation
681,921.70 : 941,455.14 = 606,260.81 : x - Step 2: Convert to fraction form
681,921.70/941,455.14 = 606,260.81/x - Step 3: Cross multiply
681,921.70x = 941,455.14 × 606,260.81 - Step 4: Simplify right side
681,921.70x = 570,767,355,835.22 - Step 5: Solve for x
x = 570,767,355,835.22/681,921.70 - Step 6: Final answer
x = 836,998.38
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1.5x scale
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.