Finding the Fourth Proportional to 750,942.24, 1,036,294.08 and 406,770.18
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Solution
The fourth proportional to 750,942.24, 1,036,294.08 and 406,770.18 is: 561,339.48
Step by Step Solution
- Step 1: Write the proportion equation
750,942.24 : 1,036,294.08 = 406,770.18 : x - Step 2: Convert to fraction form
750,942.24/1,036,294.08 = 406,770.18/x - Step 3: Cross multiply
750,942.24x = 1,036,294.08 × 406,770.18 - Step 4: Simplify right side
750,942.24x = 421,533,529,454.53 - Step 5: Solve for x
x = 421,533,529,454.53/750,942.24 - Step 6: Final answer
x = 561,339.48
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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.