Finding the Fourth Proportional to 1,775,129.84, 2,662,830.88 and 512,968.40
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Solution
The fourth proportional to 1,775,129.84, 2,662,830.88 and 512,968.40 is: 769,491.94
Step by Step Solution
- Step 1: Write the proportion equation
1,775,129.84 : 2,662,830.88 = 512,968.40 : x - Step 2: Convert to fraction form
1,775,129.84/2,662,830.88 = 512,968.40/x - Step 3: Cross multiply
1,775,129.84x = 2,662,830.88 × 512,968.40 - Step 4: Simplify right side
1,775,129.84x = 1,365,948,095,984.19 - Step 5: Solve for x
x = 1,365,948,095,984.19/1,775,129.84 - Step 6: Final answer
x = 769,491.94
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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.