Finding the Fourth Proportional to 1,026,983.80, 1,537,559.70 and 971,126.20
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Solution
The fourth proportional to 1,026,983.80, 1,537,559.70 and 971,126.20 is: 1,453,931.90
Step by Step Solution
- Step 1: Write the proportion equation
1,026,983.80 : 1,537,559.70 = 971,126.20 : x - Step 2: Convert to fraction form
1,026,983.80/1,537,559.70 = 971,126.20/x - Step 3: Cross multiply
1,026,983.80x = 1,537,559.70 × 971,126.20 - Step 4: Simplify right side
1,026,983.80x = 1,493,164,508,734.14 - Step 5: Solve for x
x = 1,493,164,508,734.14/1,026,983.80 - Step 6: Final answer
x = 1,453,931.90
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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.