Finding the Fourth Proportional to 1,415,726.58, 1,953,732.36 and 771,145.18
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Solution
The fourth proportional to 1,415,726.58, 1,953,732.36 and 771,145.18 is: 1,064,196.51
Step by Step Solution
- Step 1: Write the proportion equation
1,415,726.58 : 1,953,732.36 = 771,145.18 : x - Step 2: Convert to fraction form
1,415,726.58/1,953,732.36 = 771,145.18/x - Step 3: Cross multiply
1,415,726.58x = 1,953,732.36 × 771,145.18 - Step 4: Simplify right side
1,415,726.58x = 1,506,611,292,424.03 - Step 5: Solve for x
x = 1,506,611,292,424.03/1,415,726.58 - Step 6: Final answer
x = 1,064,196.51
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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.