Finding the Fourth Proportional to 1,622,398.74, 2,431,881.99 and 611,083.11
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Solution
The fourth proportional to 1,622,398.74, 2,431,881.99 and 611,083.11 is: 915,978.28
Step by Step Solution
- Step 1: Write the proportion equation
1,622,398.74 : 2,431,881.99 = 611,083.11 : x - Step 2: Convert to fraction form
1,622,398.74/2,431,881.99 = 611,083.11/x - Step 3: Cross multiply
1,622,398.74x = 2,431,881.99 × 611,083.11 - Step 4: Simplify right side
1,622,398.74x = 1,486,082,009,602.19 - Step 5: Solve for x
x = 1,486,082,009,602.19/1,622,398.74 - Step 6: Final answer
x = 915,978.28
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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.