Home / 484,921.27-727,470.14-200,457.33

Finding the Fourth Proportional to 484,921.27, 727,470.14 and 200,457.33

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Solution

The fourth proportional to 484,921.27, 727,470.14 and 200,457.33 is: 300,722.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,921.27 : 727,470.14 = 200,457.33 : x
  2. Step 2: Convert to fraction form
    484,921.27/727,470.14 = 200,457.33/x
  3. Step 3: Cross multiply
    484,921.27x = 727,470.14 × 200,457.33
  4. Step 4: Simplify right side
    484,921.27x = 145,826,721,919.13
  5. Step 5: Solve for x
    x = 145,826,721,919.13/484,921.27
  6. Step 6: Final answer
    x = 300,722.47

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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.