Home / 656,666.73-906,161.03-381,003.23

Finding the Fourth Proportional to 656,666.73, 906,161.03 and 381,003.23

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Solution

The fourth proportional to 656,666.73, 906,161.03 and 381,003.23 is: 525,761.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,666.73 : 906,161.03 = 381,003.23 : x
  2. Step 2: Convert to fraction form
    656,666.73/906,161.03 = 381,003.23/x
  3. Step 3: Cross multiply
    656,666.73x = 906,161.03 × 381,003.23
  4. Step 4: Simplify right side
    656,666.73x = 345,250,272,894.31
  5. Step 5: Solve for x
    x = 345,250,272,894.31/656,666.73
  6. Step 6: Final answer
    x = 525,761.79

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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.