Finding the Fourth Proportional to 1,681,731.44, 2,320,795.88 and 917,802
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Solution
The fourth proportional to 1,681,731.44, 2,320,795.88 and 917,802 is: 1,266,570.30
Step by Step Solution
- Step 1: Write the proportion equation
1,681,731.44 : 2,320,795.88 = 917,802 : x - Step 2: Convert to fraction form
1,681,731.44/2,320,795.88 = 917,802/x - Step 3: Cross multiply
1,681,731.44x = 2,320,795.88 × 917,802 - Step 4: Simplify right side
1,681,731.44x = 2,130,031,100,255.76 - Step 5: Solve for x
x = 2,130,031,100,255.76/1,681,731.44 - Step 6: Final answer
x = 1,266,570.30
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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.