Home / 592,918.82-818,226.96-320,986.61

Finding the Fourth Proportional to 592,918.82, 818,226.96 and 320,986.61

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Solution

The fourth proportional to 592,918.82, 818,226.96 and 320,986.61 is: 442,960.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,918.82 : 818,226.96 = 320,986.61 : x
  2. Step 2: Convert to fraction form
    592,918.82/818,226.96 = 320,986.61/x
  3. Step 3: Cross multiply
    592,918.82x = 818,226.96 × 320,986.61
  4. Step 4: Simplify right side
    592,918.82x = 262,639,898,101.01
  5. Step 5: Solve for x
    x = 262,639,898,101.01/592,918.82
  6. Step 6: Final answer
    x = 442,960.97

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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.