Finding the Fourth Proportional to 994,398.85, 1,490,599.50 and 319,984.48
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Solution
The fourth proportional to 994,398.85, 1,490,599.50 and 319,984.48 is: 479,655.33
Step by Step Solution
- Step 1: Write the proportion equation
994,398.85 : 1,490,599.50 = 319,984.48 : x - Step 2: Convert to fraction form
994,398.85/1,490,599.50 = 319,984.48/x - Step 3: Cross multiply
994,398.85x = 1,490,599.50 × 319,984.48 - Step 4: Simplify right side
994,398.85x = 476,968,705,895.76 - Step 5: Solve for x
x = 476,968,705,895.76/994,398.85 - Step 6: Final answer
x = 479,655.33
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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.