Home / 863,845.36-1,296,142.28-464,019.64

Finding the Fourth Proportional to 863,845.36, 1,296,142.28 and 464,019.64

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Solution

The fourth proportional to 863,845.36, 1,296,142.28 and 464,019.64 is: 696,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,845.36 : 1,296,142.28 = 464,019.64 : x
  2. Step 2: Convert to fraction form
    863,845.36/1,296,142.28 = 464,019.64/x
  3. Step 3: Cross multiply
    863,845.36x = 1,296,142.28 × 464,019.64
  4. Step 4: Simplify right side
    863,845.36x = 601,435,474,154.38
  5. Step 5: Solve for x
    x = 601,435,474,154.38/863,845.36
  6. Step 6: Final answer
    x = 696,230.49

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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.