Finding the Fourth Proportional to 1,214,943.01, 1,676,617.20 and 698,672.53
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Solution
The fourth proportional to 1,214,943.01, 1,676,617.20 and 698,672.53 is: 964,165.70
Step by Step Solution
- Step 1: Write the proportion equation
1,214,943.01 : 1,676,617.20 = 698,672.53 : x - Step 2: Convert to fraction form
1,214,943.01/1,676,617.20 = 698,672.53/x - Step 3: Cross multiply
1,214,943.01x = 1,676,617.20 × 698,672.53 - Step 4: Simplify right side
1,214,943.01x = 1,171,406,380,965.52 - Step 5: Solve for x
x = 1,171,406,380,965.52/1,214,943.01 - Step 6: Final answer
x = 964,165.70
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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.