Finding the Fourth Proportional to 1,557,628.03, 2,149,554.68 and 913,512.79
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Solution
The fourth proportional to 1,557,628.03, 2,149,554.68 and 913,512.79 is: 1,260,664.07
Step by Step Solution
- Step 1: Write the proportion equation
1,557,628.03 : 2,149,554.68 = 913,512.79 : x - Step 2: Convert to fraction form
1,557,628.03/2,149,554.68 = 913,512.79/x - Step 3: Cross multiply
1,557,628.03x = 2,149,554.68 × 913,512.79 - Step 4: Simplify right side
1,557,628.03x = 1,963,645,692,984.36 - Step 5: Solve for x
x = 1,963,645,692,984.36/1,557,628.03 - Step 6: Final answer
x = 1,260,664.07
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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.