Home / 404,831.36-605,748.48-324,624.04

Finding the Fourth Proportional to 404,831.36, 605,748.48 and 324,624.04

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Solution

The fourth proportional to 404,831.36, 605,748.48 and 324,624.04 is: 485,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,831.36 : 605,748.48 = 324,624.04 : x
  2. Step 2: Convert to fraction form
    404,831.36/605,748.48 = 324,624.04/x
  3. Step 3: Cross multiply
    404,831.36x = 605,748.48 × 324,624.04
  4. Step 4: Simplify right side
    404,831.36x = 196,640,518,801.46
  5. Step 5: Solve for x
    x = 196,640,518,801.46/404,831.36
  6. Step 6: Final answer
    x = 485,734.40

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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.