Finding the Fourth Proportional to 865,173.84, 1,185,268.50 and 832,828.92
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Solution
The fourth proportional to 865,173.84, 1,185,268.50 and 832,828.92 is: 1,140,956.69
Step by Step Solution
- Step 1: Write the proportion equation
865,173.84 : 1,185,268.50 = 832,828.92 : x - Step 2: Convert to fraction form
865,173.84/1,185,268.50 = 832,828.92/x - Step 3: Cross multiply
865,173.84x = 1,185,268.50 × 832,828.92 - Step 4: Simplify right side
865,173.84x = 987,125,884,765.02 - Step 5: Solve for x
x = 987,125,884,765.02/865,173.84 - Step 6: Final answer
x = 1,140,956.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.