Home / 478,719.07-718,096.83-179,168.11

Finding the Fourth Proportional to 478,719.07, 718,096.83 and 179,168.11

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Solution

The fourth proportional to 478,719.07, 718,096.83 and 179,168.11 is: 268,758.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,719.07 : 718,096.83 = 179,168.11 : x
  2. Step 2: Convert to fraction form
    478,719.07/718,096.83 = 179,168.11/x
  3. Step 3: Cross multiply
    478,719.07x = 718,096.83 × 179,168.11
  4. Step 4: Simplify right side
    478,719.07x = 128,660,051,828.09
  5. Step 5: Solve for x
    x = 128,660,051,828.09/478,719.07
  6. Step 6: Final answer
    x = 268,758.99

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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.