Finding the Fourth Proportional to 1,158,197.07, 1,729,373.80 and 1,037,474.67
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Solution
The fourth proportional to 1,158,197.07, 1,729,373.80 and 1,037,474.67 is: 1,549,115.91
Step by Step Solution
- Step 1: Write the proportion equation
1,158,197.07 : 1,729,373.80 = 1,037,474.67 : x - Step 2: Convert to fraction form
1,158,197.07/1,729,373.80 = 1,037,474.67/x - Step 3: Cross multiply
1,158,197.07x = 1,729,373.80 × 1,037,474.67 - Step 4: Simplify right side
1,158,197.07x = 1,794,181,509,867.96 - Step 5: Solve for x
x = 1,794,181,509,867.96/1,158,197.07 - Step 6: Final answer
x = 1,549,115.91
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.