Finding the Fourth Proportional to 1,576,973.27, 2,176,223.99 and 851,821.00
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Solution
The fourth proportional to 1,576,973.27, 2,176,223.99 and 851,821.00 is: 1,175,513.45
Step by Step Solution
- Step 1: Write the proportion equation
1,576,973.27 : 2,176,223.99 = 851,821.00 : x - Step 2: Convert to fraction form
1,576,973.27/2,176,223.99 = 851,821.00/x - Step 3: Cross multiply
1,576,973.27x = 2,176,223.99 × 851,821.00 - Step 4: Simplify right side
1,576,973.27x = 1,853,753,288,615.22 - Step 5: Solve for x
x = 1,853,753,288,615.22/1,576,973.27 - Step 6: Final answer
x = 1,175,513.45
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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.