Home / 399,143.26-598,396.86-230,472.25

Finding the Fourth Proportional to 399,143.26, 598,396.86 and 230,472.25

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Solution

The fourth proportional to 399,143.26, 598,396.86 and 230,472.25 is: 345,524.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,143.26 : 598,396.86 = 230,472.25 : x
  2. Step 2: Convert to fraction form
    399,143.26/598,396.86 = 230,472.25/x
  3. Step 3: Cross multiply
    399,143.26x = 598,396.86 × 230,472.25
  4. Step 4: Simplify right side
    399,143.26x = 137,913,870,717.14
  5. Step 5: Solve for x
    x = 137,913,870,717.14/399,143.26
  6. Step 6: Final answer
    x = 345,524.74

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1.5x scale

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.