Home / 572,889.51-790,559.19-331,149.06

Finding the Fourth Proportional to 572,889.51, 790,559.19 and 331,149.06

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Solution

The fourth proportional to 572,889.51, 790,559.19 and 331,149.06 is: 456,969.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,889.51 : 790,559.19 = 331,149.06 : x
  2. Step 2: Convert to fraction form
    572,889.51/790,559.19 = 331,149.06/x
  3. Step 3: Cross multiply
    572,889.51x = 790,559.19 × 331,149.06
  4. Step 4: Simplify right side
    572,889.51x = 261,792,932,642.86
  5. Step 5: Solve for x
    x = 261,792,932,642.86/572,889.51
  6. Step 6: Final answer
    x = 456,969.32

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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.