Home / 479,122.29-718,627.55-124,109.01

Finding the Fourth Proportional to 479,122.29, 718,627.55 and 124,109.01

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Solution

The fourth proportional to 479,122.29, 718,627.55 and 124,109.01 is: 186,149.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,122.29 : 718,627.55 = 124,109.01 : x
  2. Step 2: Convert to fraction form
    479,122.29/718,627.55 = 124,109.01/x
  3. Step 3: Cross multiply
    479,122.29x = 718,627.55 × 124,109.01
  4. Step 4: Simplify right side
    479,122.29x = 89,188,153,168.68
  5. Step 5: Solve for x
    x = 89,188,153,168.68/479,122.29
  6. Step 6: Final answer
    x = 186,149.04

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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.