Home / 447,650.48-617,739-246,433.52

Finding the Fourth Proportional to 447,650.48, 617,739 and 246,433.52

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Solution

The fourth proportional to 447,650.48, 617,739 and 246,433.52 is: 340,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,650.48 : 617,739 = 246,433.52 : x
  2. Step 2: Convert to fraction form
    447,650.48/617,739 = 246,433.52/x
  3. Step 3: Cross multiply
    447,650.48x = 617,739 × 246,433.52
  4. Step 4: Simplify right side
    447,650.48x = 152,231,596,211.28
  5. Step 5: Solve for x
    x = 152,231,596,211.28/447,650.48
  6. Step 6: Final answer
    x = 340,067.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.