Finding the Fourth Proportional to 1,765,336.80, 2,645,931.60 and 816,703.68
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Solution
The fourth proportional to 1,765,336.80, 2,645,931.60 and 816,703.68 is: 1,224,096.20
Step by Step Solution
- Step 1: Write the proportion equation
1,765,336.80 : 2,645,931.60 = 816,703.68 : x - Step 2: Convert to fraction form
1,765,336.80/2,645,931.60 = 816,703.68/x - Step 3: Cross multiply
1,765,336.80x = 2,645,931.60 × 816,703.68 - Step 4: Simplify right side
1,765,336.80x = 2,160,942,074,748.29 - Step 5: Solve for x
x = 2,160,942,074,748.29/1,765,336.80 - Step 6: Final answer
x = 1,224,096.20
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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.