Home / 398,618.20-598,032.90-173,882.20

Finding the Fourth Proportional to 398,618.20, 598,032.90 and 173,882.20

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Solution

The fourth proportional to 398,618.20, 598,032.90 and 173,882.20 is: 260,869.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,618.20 : 598,032.90 = 173,882.20 : x
  2. Step 2: Convert to fraction form
    398,618.20/598,032.90 = 173,882.20/x
  3. Step 3: Cross multiply
    398,618.20x = 598,032.90 × 173,882.20
  4. Step 4: Simplify right side
    398,618.20x = 103,987,276,324.38
  5. Step 5: Solve for x
    x = 103,987,276,324.38/398,618.20
  6. Step 6: Final answer
    x = 260,869.36

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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.