Finding the Fourth Proportional to 1,013,859.11, 1,399,069.99 and 578,212.49
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Solution
The fourth proportional to 1,013,859.11, 1,399,069.99 and 578,212.49 is: 797,901.54
Step by Step Solution
- Step 1: Write the proportion equation
1,013,859.11 : 1,399,069.99 = 578,212.49 : x - Step 2: Convert to fraction form
1,013,859.11/1,399,069.99 = 578,212.49/x - Step 3: Cross multiply
1,013,859.11x = 1,399,069.99 × 578,212.49 - Step 4: Simplify right side
1,013,859.11x = 808,959,742,602.18 - Step 5: Solve for x
x = 808,959,742,602.18/1,013,859.11 - Step 6: Final answer
x = 797,901.54
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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.