Home / 559,508.22-772,121.43-304,859.43

Finding the Fourth Proportional to 559,508.22, 772,121.43 and 304,859.43

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Solution

The fourth proportional to 559,508.22, 772,121.43 and 304,859.43 is: 420,706.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,508.22 : 772,121.43 = 304,859.43 : x
  2. Step 2: Convert to fraction form
    559,508.22/772,121.43 = 304,859.43/x
  3. Step 3: Cross multiply
    559,508.22x = 772,121.43 × 304,859.43
  4. Step 4: Simplify right side
    559,508.22x = 235,388,499,040.59
  5. Step 5: Solve for x
    x = 235,388,499,040.59/559,508.22
  6. Step 6: Final answer
    x = 420,706.06

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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.