Finding the Fourth Proportional to 1,277,881.93, 1,917,177.56 and 709,662.07
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Solution
The fourth proportional to 1,277,881.93, 1,917,177.56 and 709,662.07 is: 1,064,690.07
Step by Step Solution
- Step 1: Write the proportion equation
1,277,881.93 : 1,917,177.56 = 709,662.07 : x - Step 2: Convert to fraction form
1,277,881.93/1,917,177.56 = 709,662.07/x - Step 3: Cross multiply
1,277,881.93x = 1,917,177.56 × 709,662.07 - Step 4: Simplify right side
1,277,881.93x = 1,360,548,195,787.15 - Step 5: Solve for x
x = 1,360,548,195,787.15/1,277,881.93 - Step 6: Final answer
x = 1,064,690.07
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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.