Home / 482,679.90-723,786.57-283,065.12

Finding the Fourth Proportional to 482,679.90, 723,786.57 and 283,065.12

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Solution

The fourth proportional to 482,679.90, 723,786.57 and 283,065.12 is: 424,460.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,679.90 : 723,786.57 = 283,065.12 : x
  2. Step 2: Convert to fraction form
    482,679.90/723,786.57 = 283,065.12/x
  3. Step 3: Cross multiply
    482,679.90x = 723,786.57 × 283,065.12
  4. Step 4: Simplify right side
    482,679.90x = 204,878,732,291.44
  5. Step 5: Solve for x
    x = 204,878,732,291.44/482,679.90
  6. Step 6: Final answer
    x = 424,460.87

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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.