Home / 445,927.30-615,571.65-273,873.16

Finding the Fourth Proportional to 445,927.30, 615,571.65 and 273,873.16

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Solution

The fourth proportional to 445,927.30, 615,571.65 and 273,873.16 is: 378,062.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,927.30 : 615,571.65 = 273,873.16 : x
  2. Step 2: Convert to fraction form
    445,927.30/615,571.65 = 273,873.16/x
  3. Step 3: Cross multiply
    445,927.30x = 615,571.65 × 273,873.16
  4. Step 4: Simplify right side
    445,927.30x = 168,588,552,991.91
  5. Step 5: Solve for x
    x = 168,588,552,991.91/445,927.30
  6. Step 6: Final answer
    x = 378,062.87

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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.