Finding the Fourth Proportional to 1,686,339.76, 2,528,386.02 and 928,538.08
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Solution
The fourth proportional to 1,686,339.76, 2,528,386.02 and 928,538.08 is: 1,392,188.43
Step by Step Solution
- Step 1: Write the proportion equation
1,686,339.76 : 2,528,386.02 = 928,538.08 : x - Step 2: Convert to fraction form
1,686,339.76/2,528,386.02 = 928,538.08/x - Step 3: Cross multiply
1,686,339.76x = 2,528,386.02 × 928,538.08 - Step 4: Simplify right side
1,686,339.76x = 2,347,702,700,509.64 - Step 5: Solve for x
x = 2,347,702,700,509.64/1,686,339.76 - Step 6: Final answer
x = 1,392,188.43
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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.