Finding the Fourth Proportional to 832,610.84, 1,248,939.96 and 263,994.49
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Solution
The fourth proportional to 832,610.84, 1,248,939.96 and 263,994.49 is: 395,999.24
Step by Step Solution
- Step 1: Write the proportion equation
832,610.84 : 1,248,939.96 = 263,994.49 : x - Step 2: Convert to fraction form
832,610.84/1,248,939.96 = 263,994.49/x - Step 3: Cross multiply
832,610.84x = 1,248,939.96 × 263,994.49 - Step 4: Simplify right side
832,610.84x = 329,713,260,216.15 - Step 5: Solve for x
x = 329,713,260,216.15/832,610.84 - Step 6: Final answer
x = 395,999.24
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.