Finding the Fourth Proportional to 770,446.08, 1,154,910.96 and 450,191.52
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Solution
The fourth proportional to 770,446.08, 1,154,910.96 and 450,191.52 is: 674,844.27
Step by Step Solution
- Step 1: Write the proportion equation
770,446.08 : 1,154,910.96 = 450,191.52 : x - Step 2: Convert to fraction form
770,446.08/1,154,910.96 = 450,191.52/x - Step 3: Cross multiply
770,446.08x = 1,154,910.96 × 450,191.52 - Step 4: Simplify right side
770,446.08x = 519,931,120,547.06 - Step 5: Solve for x
x = 519,931,120,547.06/770,446.08 - Step 6: Final answer
x = 674,844.27
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.