Home / 479,541.03-719,305.25-137,993.37

Finding the Fourth Proportional to 479,541.03, 719,305.25 and 137,993.37

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Solution

The fourth proportional to 479,541.03, 719,305.25 and 137,993.37 is: 206,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,541.03 : 719,305.25 = 137,993.37 : x
  2. Step 2: Convert to fraction form
    479,541.03/719,305.25 = 137,993.37/x
  3. Step 3: Cross multiply
    479,541.03x = 719,305.25 × 137,993.37
  4. Step 4: Simplify right side
    479,541.03x = 99,259,354,816.23
  5. Step 5: Solve for x
    x = 99,259,354,816.23/479,541.03
  6. Step 6: Final answer
    x = 206,988.24

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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.