Finding the Fourth Proportional to 1,620,962.28, 2,433,088.66 and 811,926.44
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Solution
The fourth proportional to 1,620,962.28, 2,433,088.66 and 811,926.44 is: 1,218,713.75
Step by Step Solution
- Step 1: Write the proportion equation
1,620,962.28 : 2,433,088.66 = 811,926.44 : x - Step 2: Convert to fraction form
1,620,962.28/2,433,088.66 = 811,926.44/x - Step 3: Cross multiply
1,620,962.28x = 2,433,088.66 × 811,926.44 - Step 4: Simplify right side
1,620,962.28x = 1,975,489,013,918.17 - Step 5: Solve for x
x = 1,975,489,013,918.17/1,620,962.28 - Step 6: Final answer
x = 1,218,713.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.