Finding the Fourth Proportional to 1,526,368.68, 2,106,392.96 and 838,085.12
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Solution
The fourth proportional to 1,526,368.68, 2,106,392.96 and 838,085.12 is: 1,156,559.76
Step by Step Solution
- Step 1: Write the proportion equation
1,526,368.68 : 2,106,392.96 = 838,085.12 : x - Step 2: Convert to fraction form
1,526,368.68/2,106,392.96 = 838,085.12/x - Step 3: Cross multiply
1,526,368.68x = 2,106,392.96 × 838,085.12 - Step 4: Simplify right side
1,526,368.68x = 1,765,336,596,648.76 - Step 5: Solve for x
x = 1,765,336,596,648.76/1,526,368.68 - Step 6: Final answer
x = 1,156,559.76
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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.