Finding the Fourth Proportional to 790,437.80, 1,185,656.70 and 790,437.80
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Solution
The fourth proportional to 790,437.80, 1,185,656.70 and 790,437.80 is: 1,185,656.70
Step by Step Solution
- Step 1: Write the proportion equation
790,437.80 : 1,185,656.70 = 790,437.80 : x - Step 2: Convert to fraction form
790,437.80/1,185,656.70 = 790,437.80/x - Step 3: Cross multiply
790,437.80x = 1,185,656.70 × 790,437.80 - Step 4: Simplify right side
790,437.80x = 937,187,873,503.26 - Step 5: Solve for x
x = 937,187,873,503.26/790,437.80 - Step 6: Final answer
x = 1,185,656.70
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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.