Home / 755,133-1,042,083.81-415,593.96

Finding the Fourth Proportional to 755,133, 1,042,083.81 and 415,593.96

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Solution

The fourth proportional to 755,133, 1,042,083.81 and 415,593.96 is: 573,519.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,133 : 1,042,083.81 = 415,593.96 : x
  2. Step 2: Convert to fraction form
    755,133/1,042,083.81 = 415,593.96/x
  3. Step 3: Cross multiply
    755,133x = 1,042,083.81 × 415,593.96
  4. Step 4: Simplify right side
    755,133x = 433,083,737,249.79
  5. Step 5: Solve for x
    x = 433,083,737,249.79/755,133
  6. Step 6: Final answer
    x = 573,519.81

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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.