Home / 567,982.31-783,761.06-313,317.09

Finding the Fourth Proportional to 567,982.31, 783,761.06 and 313,317.09

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Solution

The fourth proportional to 567,982.31, 783,761.06 and 313,317.09 is: 432,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,982.31 : 783,761.06 = 313,317.09 : x
  2. Step 2: Convert to fraction form
    567,982.31/783,761.06 = 313,317.09/x
  3. Step 3: Cross multiply
    567,982.31x = 783,761.06 × 313,317.09
  4. Step 4: Simplify right side
    567,982.31x = 245,565,733,007.93
  5. Step 5: Solve for x
    x = 245,565,733,007.93/567,982.31
  6. Step 6: Final answer
    x = 432,347.51

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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.