Home / 479,633-719,520.58-159,680.38

Finding the Fourth Proportional to 479,633, 719,520.58 and 159,680.38

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Solution

The fourth proportional to 479,633, 719,520.58 and 159,680.38 is: 239,544.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,633 : 719,520.58 = 159,680.38 : x
  2. Step 2: Convert to fraction form
    479,633/719,520.58 = 159,680.38/x
  3. Step 3: Cross multiply
    479,633x = 719,520.58 × 159,680.38
  4. Step 4: Simplify right side
    479,633x = 114,893,319,632.22
  5. Step 5: Solve for x
    x = 114,893,319,632.22/479,633
  6. Step 6: Final answer
    x = 239,544.23

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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.