Finding the Fourth Proportional to 1,657,277.05, 2,486,020.65 and 520,084.09
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Solution
The fourth proportional to 1,657,277.05, 2,486,020.65 and 520,084.09 is: 780,159.11
Step by Step Solution
- Step 1: Write the proportion equation
1,657,277.05 : 2,486,020.65 = 520,084.09 : x - Step 2: Convert to fraction form
1,657,277.05/2,486,020.65 = 520,084.09/x - Step 3: Cross multiply
1,657,277.05x = 2,486,020.65 × 520,084.09 - Step 4: Simplify right side
1,657,277.05x = 1,292,939,787,476.46 - Step 5: Solve for x
x = 1,292,939,787,476.46/1,657,277.05 - Step 6: Final answer
x = 780,159.11
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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.