Home / 480,083.11-720,231.91-180,566.28

Finding the Fourth Proportional to 480,083.11, 720,231.91 and 180,566.28

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Solution

The fourth proportional to 480,083.11, 720,231.91 and 180,566.28 is: 270,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,083.11 : 720,231.91 = 180,566.28 : x
  2. Step 2: Convert to fraction form
    480,083.11/720,231.91 = 180,566.28/x
  3. Step 3: Cross multiply
    480,083.11x = 720,231.91 × 180,566.28
  4. Step 4: Simplify right side
    480,083.11x = 130,049,596,274.58
  5. Step 5: Solve for x
    x = 130,049,596,274.58/480,083.11
  6. Step 6: Final answer
    x = 270,889.76

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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.