Finding the Fourth Proportional to 754,407.94, 1,041,062.19 and 414,876.19
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Solution
The fourth proportional to 754,407.94, 1,041,062.19 and 414,876.19 is: 572,517.72
Step by Step Solution
- Step 1: Write the proportion equation
754,407.94 : 1,041,062.19 = 414,876.19 : x - Step 2: Convert to fraction form
754,407.94/1,041,062.19 = 414,876.19/x - Step 3: Cross multiply
754,407.94x = 1,041,062.19 × 414,876.19 - Step 4: Simplify right side
754,407.94x = 431,911,914,940.26 - Step 5: Solve for x
x = 431,911,914,940.26/754,407.94 - Step 6: Final answer
x = 572,517.72
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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.