Home / 479,836.80-719,756.16-124,850.28

Finding the Fourth Proportional to 479,836.80, 719,756.16 and 124,850.28

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Solution

The fourth proportional to 479,836.80, 719,756.16 and 124,850.28 is: 187,275.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,836.80 : 719,756.16 = 124,850.28 : x
  2. Step 2: Convert to fraction form
    479,836.80/719,756.16 = 124,850.28/x
  3. Step 3: Cross multiply
    479,836.80x = 719,756.16 × 124,850.28
  4. Step 4: Simplify right side
    479,836.80x = 89,861,758,107.72
  5. Step 5: Solve for x
    x = 89,861,758,107.72/479,836.80
  6. Step 6: Final answer
    x = 187,275.67

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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.