Home / 506,865.45-759,012.39-304,336.50

Finding the Fourth Proportional to 506,865.45, 759,012.39 and 304,336.50

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Solution

The fourth proportional to 506,865.45, 759,012.39 and 304,336.50 is: 455,732.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,865.45 : 759,012.39 = 304,336.50 : x
  2. Step 2: Convert to fraction form
    506,865.45/759,012.39 = 304,336.50/x
  3. Step 3: Cross multiply
    506,865.45x = 759,012.39 × 304,336.50
  4. Step 4: Simplify right side
    506,865.45x = 230,995,174,229.24
  5. Step 5: Solve for x
    x = 230,995,174,229.24/506,865.45
  6. Step 6: Final answer
    x = 455,732.73

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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.