Home / 480,228.14-720,370.40-180,711.27

Finding the Fourth Proportional to 480,228.14, 720,370.40 and 180,711.27

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Solution

The fourth proportional to 480,228.14, 720,370.40 and 180,711.27 is: 271,077.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,228.14 : 720,370.40 = 180,711.27 : x
  2. Step 2: Convert to fraction form
    480,228.14/720,370.40 = 180,711.27/x
  3. Step 3: Cross multiply
    480,228.14x = 720,370.40 × 180,711.27
  4. Step 4: Simplify right side
    480,228.14x = 130,179,048,950.85
  5. Step 5: Solve for x
    x = 130,179,048,950.85/480,228.14
  6. Step 6: Final answer
    x = 271,077.51

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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.