Finding the Fourth Proportional to 1,690,897.55, 2,536,324.58 and 411,507.17
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Solution
The fourth proportional to 1,690,897.55, 2,536,324.58 and 411,507.17 is: 617,255.46
Step by Step Solution
- Step 1: Write the proportion equation
1,690,897.55 : 2,536,324.58 = 411,507.17 : x - Step 2: Convert to fraction form
1,690,897.55/2,536,324.58 = 411,507.17/x - Step 3: Cross multiply
1,690,897.55x = 2,536,324.58 × 411,507.17 - Step 4: Simplify right side
1,690,897.55x = 1,043,715,735,378.08 - Step 5: Solve for x
x = 1,043,715,735,378.08/1,690,897.55 - Step 6: Final answer
x = 617,255.46
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1.5x scale
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.