Home / 482,624.20-723,936.30-447,632.20

Finding the Fourth Proportional to 482,624.20, 723,936.30 and 447,632.20

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Solution

The fourth proportional to 482,624.20, 723,936.30 and 447,632.20 is: 671,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,624.20 : 723,936.30 = 447,632.20 : x
  2. Step 2: Convert to fraction form
    482,624.20/723,936.30 = 447,632.20/x
  3. Step 3: Cross multiply
    482,624.20x = 723,936.30 × 447,632.20
  4. Step 4: Simplify right side
    482,624.20x = 324,057,198,628.86
  5. Step 5: Solve for x
    x = 324,057,198,628.86/482,624.20
  6. Step 6: Final answer
    x = 671,448.30

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Double scale
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Similar ratio
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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.