Finding the Fourth Proportional to 1,528,634.16, 2,109,547.80 and 849,556.08
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Solution
The fourth proportional to 1,528,634.16, 2,109,547.80 and 849,556.08 is: 1,172,405.54
Step by Step Solution
- Step 1: Write the proportion equation
1,528,634.16 : 2,109,547.80 = 849,556.08 : x - Step 2: Convert to fraction form
1,528,634.16/2,109,547.80 = 849,556.08/x - Step 3: Cross multiply
1,528,634.16x = 2,109,547.80 × 849,556.08 - Step 4: Simplify right side
1,528,634.16x = 1,792,179,159,540.62 - Step 5: Solve for x
x = 1,792,179,159,540.62/1,528,634.16 - Step 6: Final answer
x = 1,172,405.54
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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.