Finding the Fourth Proportional to 1,428,206.08, 2,142,221.12 and 586,736
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Solution
The fourth proportional to 1,428,206.08, 2,142,221.12 and 586,736 is: 880,067.85
Step by Step Solution
- Step 1: Write the proportion equation
1,428,206.08 : 2,142,221.12 = 586,736 : x - Step 2: Convert to fraction form
1,428,206.08/2,142,221.12 = 586,736/x - Step 3: Cross multiply
1,428,206.08x = 2,142,221.12 × 586,736 - Step 4: Simplify right side
1,428,206.08x = 1,256,918,251,064.32 - Step 5: Solve for x
x = 1,256,918,251,064.32/1,428,206.08 - Step 6: Final answer
x = 880,067.85
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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.