Home / 399,050.29-598,238.34-185,708.13

Finding the Fourth Proportional to 399,050.29, 598,238.34 and 185,708.13

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Solution

The fourth proportional to 399,050.29, 598,238.34 and 185,708.13 is: 278,405.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,050.29 : 598,238.34 = 185,708.13 : x
  2. Step 2: Convert to fraction form
    399,050.29/598,238.34 = 185,708.13/x
  3. Step 3: Cross multiply
    399,050.29x = 598,238.34 × 185,708.13
  4. Step 4: Simplify right side
    399,050.29x = 111,097,723,415.70
  5. Step 5: Solve for x
    x = 111,097,723,415.70/399,050.29
  6. Step 6: Final answer
    x = 278,405.32

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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.