Home / 585,935.60-878,932.20-305,999.60

Finding the Fourth Proportional to 585,935.60, 878,932.20 and 305,999.60

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Solution

The fourth proportional to 585,935.60, 878,932.20 and 305,999.60 is: 459,014.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,935.60 : 878,932.20 = 305,999.60 : x
  2. Step 2: Convert to fraction form
    585,935.60/878,932.20 = 305,999.60/x
  3. Step 3: Cross multiply
    585,935.60x = 878,932.20 × 305,999.60
  4. Step 4: Simplify right side
    585,935.60x = 268,952,901,627.12
  5. Step 5: Solve for x
    x = 268,952,901,627.12/585,935.60
  6. Step 6: Final answer
    x = 459,014.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.