Finding the Fourth Proportional to 1,173,343.99, 1,619,215.37 and 636,799.99
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Solution
The fourth proportional to 1,173,343.99, 1,619,215.37 and 636,799.99 is: 878,784.35
Step by Step Solution
- Step 1: Write the proportion equation
1,173,343.99 : 1,619,215.37 = 636,799.99 : x - Step 2: Convert to fraction form
1,173,343.99/1,619,215.37 = 636,799.99/x - Step 3: Cross multiply
1,173,343.99x = 1,619,215.37 × 636,799.99 - Step 4: Simplify right side
1,173,343.99x = 1,031,116,331,423.85 - Step 5: Solve for x
x = 1,031,116,331,423.85/1,173,343.99 - Step 6: Final answer
x = 878,784.35
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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.