Finding the Fourth Proportional to 965,725.83, 1,332,765.32 and 557,844.84
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Solution
The fourth proportional to 965,725.83, 1,332,765.32 and 557,844.84 is: 769,862.66
Step by Step Solution
- Step 1: Write the proportion equation
965,725.83 : 1,332,765.32 = 557,844.84 : x - Step 2: Convert to fraction form
965,725.83/1,332,765.32 = 557,844.84/x - Step 3: Cross multiply
965,725.83x = 1,332,765.32 × 557,844.84 - Step 4: Simplify right side
965,725.83x = 743,476,253,903.73 - Step 5: Solve for x
x = 743,476,253,903.73/965,725.83 - Step 6: Final answer
x = 769,862.66
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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.