Home / 603,171.16-831,914.97-409,728.03

Finding the Fourth Proportional to 603,171.16, 831,914.97 and 409,728.03

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Solution

The fourth proportional to 603,171.16, 831,914.97 and 409,728.03 is: 565,111.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,171.16 : 831,914.97 = 409,728.03 : x
  2. Step 2: Convert to fraction form
    603,171.16/831,914.97 = 409,728.03/x
  3. Step 3: Cross multiply
    603,171.16x = 831,914.97 × 409,728.03
  4. Step 4: Simplify right side
    603,171.16x = 340,858,881,785.61
  5. Step 5: Solve for x
    x = 340,858,881,785.61/603,171.16
  6. Step 6: Final answer
    x = 565,111.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.