Home / 399,193.20-598,904.55-230,834.16

Finding the Fourth Proportional to 399,193.20, 598,904.55 and 230,834.16

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Solution

The fourth proportional to 399,193.20, 598,904.55 and 230,834.16 is: 346,317.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,193.20 : 598,904.55 = 230,834.16 : x
  2. Step 2: Convert to fraction form
    399,193.20/598,904.55 = 230,834.16/x
  3. Step 3: Cross multiply
    399,193.20x = 598,904.55 × 230,834.16
  4. Step 4: Simplify right side
    399,193.20x = 138,247,628,719.43
  5. Step 5: Solve for x
    x = 138,247,628,719.43/399,193.20
  6. Step 6: Final answer
    x = 346,317.59

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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.