Finding the Fourth Proportional to 1,903,149.39, 2,855,315.94 and 623,768.07
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Solution
The fourth proportional to 1,903,149.39, 2,855,315.94 and 623,768.07 is: 935,846.09
Step by Step Solution
- Step 1: Write the proportion equation
1,903,149.39 : 2,855,315.94 = 623,768.07 : x - Step 2: Convert to fraction form
1,903,149.39/2,855,315.94 = 623,768.07/x - Step 3: Cross multiply
1,903,149.39x = 2,855,315.94 × 623,768.07 - Step 4: Simplify right side
1,903,149.39x = 1,781,054,913,134.04 - Step 5: Solve for x
x = 1,781,054,913,134.04/1,903,149.39 - Step 6: Final answer
x = 935,846.09
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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.