Finding the Fourth Proportional to 1,721,585.08, 2,582,356.56 and 774,286.84
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Solution
The fourth proportional to 1,721,585.08, 2,582,356.56 and 774,286.84 is: 1,161,420.79
Step by Step Solution
- Step 1: Write the proportion equation
1,721,585.08 : 2,582,356.56 = 774,286.84 : x - Step 2: Convert to fraction form
1,721,585.08/2,582,356.56 = 774,286.84/x - Step 3: Cross multiply
1,721,585.08x = 2,582,356.56 × 774,286.84 - Step 4: Simplify right side
1,721,585.08x = 1,999,484,700,595.67 - Step 5: Solve for x
x = 1,999,484,700,595.67/1,721,585.08 - Step 6: Final answer
x = 1,161,420.79
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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.