Finding the Fourth Proportional to 739,270.71, 1,020,107.93 and 416,986.25
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Solution
The fourth proportional to 739,270.71, 1,020,107.93 and 416,986.25 is: 575,392.70
Step by Step Solution
- Step 1: Write the proportion equation
739,270.71 : 1,020,107.93 = 416,986.25 : x - Step 2: Convert to fraction form
739,270.71/1,020,107.93 = 416,986.25/x - Step 3: Cross multiply
739,270.71x = 1,020,107.93 × 416,986.25 - Step 4: Simplify right side
739,270.71x = 425,370,973,140.49 - Step 5: Solve for x
x = 425,370,973,140.49/739,270.71 - Step 6: Final answer
x = 575,392.70
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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.