Finding the Fourth Proportional to 1,842,397.11, 2,763,595.71 and 719,678.79
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Solution
The fourth proportional to 1,842,397.11, 2,763,595.71 and 719,678.79 is: 1,079,518.20
Step by Step Solution
- Step 1: Write the proportion equation
1,842,397.11 : 2,763,595.71 = 719,678.79 : x - Step 2: Convert to fraction form
1,842,397.11/2,763,595.71 = 719,678.79/x - Step 3: Cross multiply
1,842,397.11x = 2,763,595.71 × 719,678.79 - Step 4: Simplify right side
1,842,397.11x = 1,988,901,216,621.99 - Step 5: Solve for x
x = 1,988,901,216,621.99/1,842,397.11 - Step 6: Final answer
x = 1,079,518.20
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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.