Finding the Fourth Proportional to 1,686,338.76, 2,528,384.52 and 928,537.08
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Solution
The fourth proportional to 1,686,338.76, 2,528,384.52 and 928,537.08 is: 1,392,186.93
Step by Step Solution
- Step 1: Write the proportion equation
1,686,338.76 : 2,528,384.52 = 928,537.08 : x - Step 2: Convert to fraction form
1,686,338.76/2,528,384.52 = 928,537.08/x - Step 3: Cross multiply
1,686,338.76x = 2,528,384.52 × 928,537.08 - Step 4: Simplify right side
1,686,338.76x = 2,347,698,779,318.00 - Step 5: Solve for x
x = 2,347,698,779,318.00/1,686,338.76 - Step 6: Final answer
x = 1,392,186.93
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.