Home / 480,708.57-720,554.38-181,059.50

Finding the Fourth Proportional to 480,708.57, 720,554.38 and 181,059.50

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Solution

The fourth proportional to 480,708.57, 720,554.38 and 181,059.50 is: 271,397.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,708.57 : 720,554.38 = 181,059.50 : x
  2. Step 2: Convert to fraction form
    480,708.57/720,554.38 = 181,059.50/x
  3. Step 3: Cross multiply
    480,708.57x = 720,554.38 × 181,059.50
  4. Step 4: Simplify right side
    480,708.57x = 130,463,211,257.54
  5. Step 5: Solve for x
    x = 130,463,211,257.54/480,708.57
  6. Step 6: Final answer
    x = 271,397.72

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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.