Finding the Fourth Proportional to 1,183,459.78, 1,633,181.99 and 639,594.29
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Solution
The fourth proportional to 1,183,459.78, 1,633,181.99 and 639,594.29 is: 882,644.17
Step by Step Solution
- Step 1: Write the proportion equation
1,183,459.78 : 1,633,181.99 = 639,594.29 : x - Step 2: Convert to fraction form
1,183,459.78/1,633,181.99 = 639,594.29/x - Step 3: Cross multiply
1,183,459.78x = 1,633,181.99 × 639,594.29 - Step 4: Simplify right side
1,183,459.78x = 1,044,573,872,136.87 - Step 5: Solve for x
x = 1,044,573,872,136.87/1,183,459.78 - Step 6: Final answer
x = 882,644.17
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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.