Home / 567,982.41-783,814.67-309,859.37

Finding the Fourth Proportional to 567,982.41, 783,814.67 and 309,859.37

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Solution

The fourth proportional to 567,982.41, 783,814.67 and 309,859.37 is: 427,605.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,982.41 : 783,814.67 = 309,859.37 : x
  2. Step 2: Convert to fraction form
    567,982.41/783,814.67 = 309,859.37/x
  3. Step 3: Cross multiply
    567,982.41x = 783,814.67 × 309,859.37
  4. Step 4: Simplify right side
    567,982.41x = 242,872,318,475.87
  5. Step 5: Solve for x
    x = 242,872,318,475.87/567,982.41
  6. Step 6: Final answer
    x = 427,605.36

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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.