Finding the Fourth Proportional to 1,156,912, 1,596,451.08 and 640,663.36
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Solution
The fourth proportional to 1,156,912, 1,596,451.08 and 640,663.36 is: 884,066.99
Step by Step Solution
- Step 1: Write the proportion equation
1,156,912 : 1,596,451.08 = 640,663.36 : x - Step 2: Convert to fraction form
1,156,912/1,596,451.08 = 640,663.36/x - Step 3: Cross multiply
1,156,912x = 1,596,451.08 × 640,663.36 - Step 4: Simplify right side
1,156,912x = 1,022,787,712,988.43 - Step 5: Solve for x
x = 1,022,787,712,988.43/1,156,912 - Step 6: Final answer
x = 884,066.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.