Finding the Fourth Proportional to 766,239.62, 1,056,305.99 and 536,083.84
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Solution
The fourth proportional to 766,239.62, 1,056,305.99 and 536,083.84 is: 739,022.83
Step by Step Solution
- Step 1: Write the proportion equation
766,239.62 : 1,056,305.99 = 536,083.84 : x - Step 2: Convert to fraction form
766,239.62/1,056,305.99 = 536,083.84/x - Step 3: Cross multiply
766,239.62x = 1,056,305.99 × 536,083.84 - Step 4: Simplify right side
766,239.62x = 566,268,571,334.20 - Step 5: Solve for x
x = 566,268,571,334.20/766,239.62 - Step 6: Final answer
x = 739,022.83
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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.