Finding the Fourth Proportional to 1,106,705.16, 1,527,212.81 and 616,649.36
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Solution
The fourth proportional to 1,106,705.16, 1,527,212.81 and 616,649.36 is: 850,953.65
Step by Step Solution
- Step 1: Write the proportion equation
1,106,705.16 : 1,527,212.81 = 616,649.36 : x - Step 2: Convert to fraction form
1,106,705.16/1,527,212.81 = 616,649.36/x - Step 3: Cross multiply
1,106,705.16x = 1,527,212.81 × 616,649.36 - Step 4: Simplify right side
1,106,705.16x = 941,754,791,150.99 - Step 5: Solve for x
x = 941,754,791,150.99/1,106,705.16 - Step 6: Final answer
x = 850,953.65
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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.