Finding the Fourth Proportional to 1,768,537.80, 2,652,806.70 and 647,044.20
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Solution
The fourth proportional to 1,768,537.80, 2,652,806.70 and 647,044.20 is: 970,566.30
Step by Step Solution
- Step 1: Write the proportion equation
1,768,537.80 : 2,652,806.70 = 647,044.20 : x - Step 2: Convert to fraction form
1,768,537.80/2,652,806.70 = 647,044.20/x - Step 3: Cross multiply
1,768,537.80x = 2,652,806.70 × 647,044.20 - Step 4: Simplify right side
1,768,537.80x = 1,716,483,188,956.14 - Step 5: Solve for x
x = 1,716,483,188,956.14/1,768,537.80 - Step 6: Final answer
x = 970,566.30
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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.