Home / 399,141.26-598,393.86-230,470.25

Finding the Fourth Proportional to 399,141.26, 598,393.86 and 230,470.25

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Solution

The fourth proportional to 399,141.26, 598,393.86 and 230,470.25 is: 345,521.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,141.26 : 598,393.86 = 230,470.25 : x
  2. Step 2: Convert to fraction form
    399,141.26/598,393.86 = 230,470.25/x
  3. Step 3: Cross multiply
    399,141.26x = 598,393.86 × 230,470.25
  4. Step 4: Simplify right side
    399,141.26x = 137,911,982,512.67
  5. Step 5: Solve for x
    x = 137,911,982,512.67/399,141.26
  6. Step 6: Final answer
    x = 345,521.74

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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.