Home / 479,831.36-719,174.46-223,318.74

Finding the Fourth Proportional to 479,831.36, 719,174.46 and 223,318.74

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Solution

The fourth proportional to 479,831.36, 719,174.46 and 223,318.74 is: 334,711.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,831.36 : 719,174.46 = 223,318.74 : x
  2. Step 2: Convert to fraction form
    479,831.36/719,174.46 = 223,318.74/x
  3. Step 3: Cross multiply
    479,831.36x = 719,174.46 × 223,318.74
  4. Step 4: Simplify right side
    479,831.36x = 160,605,134,247.38
  5. Step 5: Solve for x
    x = 160,605,134,247.38/479,831.36
  6. Step 6: Final answer
    x = 334,711.63

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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.