Finding the Fourth Proportional to 1,703,869.16, 2,351,346.14 and 929,516.54
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Solution
The fourth proportional to 1,703,869.16, 2,351,346.14 and 929,516.54 is: 1,282,736.47
Step by Step Solution
- Step 1: Write the proportion equation
1,703,869.16 : 2,351,346.14 = 929,516.54 : x - Step 2: Convert to fraction form
1,703,869.16/2,351,346.14 = 929,516.54/x - Step 3: Cross multiply
1,703,869.16x = 2,351,346.14 × 929,516.54 - Step 4: Simplify right side
1,703,869.16x = 2,185,615,111,990.84 - Step 5: Solve for x
x = 2,185,615,111,990.84/1,703,869.16 - Step 6: Final answer
x = 1,282,736.47
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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.