Home / 479,812.41-719,719.47-124,825.86

Finding the Fourth Proportional to 479,812.41, 719,719.47 and 124,825.86

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Solution

The fourth proportional to 479,812.41, 719,719.47 and 124,825.86 is: 187,239.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,812.41 : 719,719.47 = 124,825.86 : x
  2. Step 2: Convert to fraction form
    479,812.41/719,719.47 = 124,825.86/x
  3. Step 3: Cross multiply
    479,812.41x = 719,719.47 × 124,825.86
  4. Step 4: Simplify right side
    479,812.41x = 89,839,601,801.49
  5. Step 5: Solve for x
    x = 89,839,601,801.49/479,812.41
  6. Step 6: Final answer
    x = 187,239.01

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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.