Finding the Fourth Proportional to 847,039.68, 1,169,461.80 and 525,093.84
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Solution
The fourth proportional to 847,039.68, 1,169,461.80 and 525,093.84 is: 724,968.62
Step by Step Solution
- Step 1: Write the proportion equation
847,039.68 : 1,169,461.80 = 525,093.84 : x - Step 2: Convert to fraction form
847,039.68/1,169,461.80 = 525,093.84/x - Step 3: Cross multiply
847,039.68x = 1,169,461.80 × 525,093.84 - Step 4: Simplify right side
847,039.68x = 614,077,187,295.31 - Step 5: Solve for x
x = 614,077,187,295.31/847,039.68 - Step 6: Final answer
x = 724,968.62
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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.