Finding the Fourth Proportional to 1,511,172, 2,085,417.36 and 832,106.88
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Solution
The fourth proportional to 1,511,172, 2,085,417.36 and 832,106.88 is: 1,148,307.49
Step by Step Solution
- Step 1: Write the proportion equation
1,511,172 : 2,085,417.36 = 832,106.88 : x - Step 2: Convert to fraction form
1,511,172/2,085,417.36 = 832,106.88/x - Step 3: Cross multiply
1,511,172x = 2,085,417.36 × 832,106.88 - Step 4: Simplify right side
1,511,172x = 1,735,290,132,927.44 - Step 5: Solve for x
x = 1,735,290,132,927.44/1,511,172 - Step 6: Final answer
x = 1,148,307.49
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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.