Finding the Fourth Proportional to 1,415,944.05, 1,953,995.13 and 771,362.70
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Solution
The fourth proportional to 1,415,944.05, 1,953,995.13 and 771,362.70 is: 1,064,476.35
Step by Step Solution
- Step 1: Write the proportion equation
1,415,944.05 : 1,953,995.13 = 771,362.70 : x - Step 2: Convert to fraction form
1,415,944.05/1,953,995.13 = 771,362.70/x - Step 3: Cross multiply
1,415,944.05x = 1,953,995.13 × 771,362.70 - Step 4: Simplify right side
1,415,944.05x = 1,507,238,959,263.65 - Step 5: Solve for x
x = 1,507,238,959,263.65/1,415,944.05 - Step 6: Final answer
x = 1,064,476.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.