Finding the Fourth Proportional to 1,247,965.02, 1,871,946.09 and 406,515.42
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Solution
The fourth proportional to 1,247,965.02, 1,871,946.09 and 406,515.42 is: 609,772.66
Step by Step Solution
- Step 1: Write the proportion equation
1,247,965.02 : 1,871,946.09 = 406,515.42 : x - Step 2: Convert to fraction form
1,247,965.02/1,871,946.09 = 406,515.42/x - Step 3: Cross multiply
1,247,965.02x = 1,871,946.09 × 406,515.42 - Step 4: Simplify right side
1,247,965.02x = 760,974,950,993.71 - Step 5: Solve for x
x = 760,974,950,993.71/1,247,965.02 - Step 6: Final answer
x = 609,772.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.