Home / 403,523.74-556,851.36-231,470.41

Finding the Fourth Proportional to 403,523.74, 556,851.36 and 231,470.41

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Solution

The fourth proportional to 403,523.74, 556,851.36 and 231,470.41 is: 319,422.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,523.74 : 556,851.36 = 231,470.41 : x
  2. Step 2: Convert to fraction form
    403,523.74/556,851.36 = 231,470.41/x
  3. Step 3: Cross multiply
    403,523.74x = 556,851.36 × 231,470.41
  4. Step 4: Simplify right side
    403,523.74x = 128,894,612,608.26
  5. Step 5: Solve for x
    x = 128,894,612,608.26/403,523.74
  6. Step 6: Final answer
    x = 319,422.63

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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.