Finding the Fourth Proportional to 1,235,854.17, 1,853,787.42 and 437,136.44
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Solution
The fourth proportional to 1,235,854.17, 1,853,787.42 and 437,136.44 is: 655,706.83
Step by Step Solution
- Step 1: Write the proportion equation
1,235,854.17 : 1,853,787.42 = 437,136.44 : x - Step 2: Convert to fraction form
1,235,854.17/1,853,787.42 = 437,136.44/x - Step 3: Cross multiply
1,235,854.17x = 1,853,787.42 × 437,136.44 - Step 4: Simplify right side
1,235,854.17x = 810,358,024,026.65 - Step 5: Solve for x
x = 810,358,024,026.65/1,235,854.17 - Step 6: Final answer
x = 655,706.83
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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.