Finding the Fourth Proportional to 1,431,089.11, 1,974,925.98 and 819,239.41
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Solution
The fourth proportional to 1,431,089.11, 1,974,925.98 and 819,239.41 is: 1,130,563.56
Step by Step Solution
- Step 1: Write the proportion equation
1,431,089.11 : 1,974,925.98 = 819,239.41 : x - Step 2: Convert to fraction form
1,431,089.11/1,974,925.98 = 819,239.41/x - Step 3: Cross multiply
1,431,089.11x = 1,974,925.98 × 819,239.41 - Step 4: Simplify right side
1,431,089.11x = 1,617,937,194,648.87 - Step 5: Solve for x
x = 1,617,937,194,648.87/1,431,089.11 - Step 6: Final answer
x = 1,130,563.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.