Home / 984,255.81-1,476,542.73-415,722.38

Finding the Fourth Proportional to 984,255.81, 1,476,542.73 and 415,722.38

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Solution

The fourth proportional to 984,255.81, 1,476,542.73 and 415,722.38 is: 623,650.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,255.81 : 1,476,542.73 = 415,722.38 : x
  2. Step 2: Convert to fraction form
    984,255.81/1,476,542.73 = 415,722.38/x
  3. Step 3: Cross multiply
    984,255.81x = 1,476,542.73 × 415,722.38
  4. Step 4: Simplify right side
    984,255.81x = 613,831,857,887.30
  5. Step 5: Solve for x
    x = 613,831,857,887.30/984,255.81
  6. Step 6: Final answer
    x = 623,650.73

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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.