Home / 325,217.37-487,320.35-225,572.25

Finding the Fourth Proportional to 325,217.37, 487,320.35 and 225,572.25

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Solution

The fourth proportional to 325,217.37, 487,320.35 and 225,572.25 is: 338,007.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,217.37 : 487,320.35 = 225,572.25 : x
  2. Step 2: Convert to fraction form
    325,217.37/487,320.35 = 225,572.25/x
  3. Step 3: Cross multiply
    325,217.37x = 487,320.35 × 225,572.25
  4. Step 4: Simplify right side
    325,217.37x = 109,925,946,692.43
  5. Step 5: Solve for x
    x = 109,925,946,692.43/325,217.37
  6. Step 6: Final answer
    x = 338,007.61

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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.