Home / 599,469.23-827,634.14-390,116.61

Finding the Fourth Proportional to 599,469.23, 827,634.14 and 390,116.61

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Solution

The fourth proportional to 599,469.23, 827,634.14 and 390,116.61 is: 538,599.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,469.23 : 827,634.14 = 390,116.61 : x
  2. Step 2: Convert to fraction form
    599,469.23/827,634.14 = 390,116.61/x
  3. Step 3: Cross multiply
    599,469.23x = 827,634.14 × 390,116.61
  4. Step 4: Simplify right side
    599,469.23x = 322,873,823,066.48
  5. Step 5: Solve for x
    x = 322,873,823,066.48/599,469.23
  6. Step 6: Final answer
    x = 538,599.50

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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.