Finding the Fourth Proportional to 963,832.98, 1,330,055.96 and 534,153.08
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Solution
The fourth proportional to 963,832.98, 1,330,055.96 and 534,153.08 is: 737,112.66
Step by Step Solution
- Step 1: Write the proportion equation
963,832.98 : 1,330,055.96 = 534,153.08 : x - Step 2: Convert to fraction form
963,832.98/1,330,055.96 = 534,153.08/x - Step 3: Cross multiply
963,832.98x = 1,330,055.96 × 534,153.08 - Step 4: Simplify right side
963,832.98x = 710,453,487,606.36 - Step 5: Solve for x
x = 710,453,487,606.36/963,832.98 - Step 6: Final answer
x = 737,112.66
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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.