Finding the Fourth Proportional to 739,242.84, 1,020,153.66 and 416,951.94
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Solution
The fourth proportional to 739,242.84, 1,020,153.66 and 416,951.94 is: 575,392.85
Step by Step Solution
- Step 1: Write the proportion equation
739,242.84 : 1,020,153.66 = 416,951.94 : x - Step 2: Convert to fraction form
739,242.84/1,020,153.66 = 416,951.94/x - Step 3: Cross multiply
739,242.84x = 1,020,153.66 × 416,951.94 - Step 4: Simplify right side
739,242.84x = 425,355,047,635.10 - Step 5: Solve for x
x = 425,355,047,635.10/739,242.84 - Step 6: Final answer
x = 575,392.85
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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.