Home / 559,540.23-772,141.38-317,822.06

Finding the Fourth Proportional to 559,540.23, 772,141.38 and 317,822.06

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Solution

The fourth proportional to 559,540.23, 772,141.38 and 317,822.06 is: 438,580.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,540.23 : 772,141.38 = 317,822.06 : x
  2. Step 2: Convert to fraction form
    559,540.23/772,141.38 = 317,822.06/x
  3. Step 3: Cross multiply
    559,540.23x = 772,141.38 × 317,822.06
  4. Step 4: Simplify right side
    559,540.23x = 245,403,560,142.14
  5. Step 5: Solve for x
    x = 245,403,560,142.14/559,540.23
  6. Step 6: Final answer
    x = 438,580.73

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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.