Home / 404,548.12-606,622.50-123,997.72

Finding the Fourth Proportional to 404,548.12, 606,622.50 and 123,997.72

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Solution

The fourth proportional to 404,548.12, 606,622.50 and 123,997.72 is: 185,935.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,548.12 : 606,622.50 = 123,997.72 : x
  2. Step 2: Convert to fraction form
    404,548.12/606,622.50 = 123,997.72/x
  3. Step 3: Cross multiply
    404,548.12x = 606,622.50 × 123,997.72
  4. Step 4: Simplify right side
    404,548.12x = 75,219,806,900.70
  5. Step 5: Solve for x
    x = 75,219,806,900.70/404,548.12
  6. Step 6: Final answer
    x = 185,935.38

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1.5x scale

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.