Finding the Fourth Proportional to 734,681.80, 1,102,022.70 and 616,583.80
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Solution
The fourth proportional to 734,681.80, 1,102,022.70 and 616,583.80 is: 924,875.70
Step by Step Solution
- Step 1: Write the proportion equation
734,681.80 : 1,102,022.70 = 616,583.80 : x - Step 2: Convert to fraction form
734,681.80/1,102,022.70 = 616,583.80/x - Step 3: Cross multiply
734,681.80x = 1,102,022.70 × 616,583.80 - Step 4: Simplify right side
734,681.80x = 679,489,344,052.26 - Step 5: Solve for x
x = 679,489,344,052.26/734,681.80 - Step 6: Final answer
x = 924,875.70
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1.5x scale
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.