Home / 399,556.16-598,882.08-162,601.28

Finding the Fourth Proportional to 399,556.16, 598,882.08 and 162,601.28

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Solution

The fourth proportional to 399,556.16, 598,882.08 and 162,601.28 is: 243,717.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,556.16 : 598,882.08 = 162,601.28 : x
  2. Step 2: Convert to fraction form
    399,556.16/598,882.08 = 162,601.28/x
  3. Step 3: Cross multiply
    399,556.16x = 598,882.08 × 162,601.28
  4. Step 4: Simplify right side
    399,556.16x = 97,378,992,777.06
  5. Step 5: Solve for x
    x = 97,378,992,777.06/399,556.16
  6. Step 6: Final answer
    x = 243,717.91

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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.