Finding the Fourth Proportional to 1,869,554.67, 2,804,805.12 and 521,717.10
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Solution
The fourth proportional to 1,869,554.67, 2,804,805.12 and 521,717.10 is: 782,707.68
Step by Step Solution
- Step 1: Write the proportion equation
1,869,554.67 : 2,804,805.12 = 521,717.10 : x - Step 2: Convert to fraction form
1,869,554.67/2,804,805.12 = 521,717.10/x - Step 3: Cross multiply
1,869,554.67x = 2,804,805.12 × 521,717.10 - Step 4: Simplify right side
1,869,554.67x = 1,463,314,793,271.55 - Step 5: Solve for x
x = 1,463,314,793,271.55/1,869,554.67 - Step 6: Final answer
x = 782,707.68
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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.