Home / 284,640.48-426,946.14-84,962.52

Finding the Fourth Proportional to 284,640.48, 426,946.14 and 84,962.52

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Solution

The fourth proportional to 284,640.48, 426,946.14 and 84,962.52 is: 127,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,640.48 : 426,946.14 = 84,962.52 : x
  2. Step 2: Convert to fraction form
    284,640.48/426,946.14 = 84,962.52/x
  3. Step 3: Cross multiply
    284,640.48x = 426,946.14 × 84,962.52
  4. Step 4: Simplify right side
    284,640.48x = 36,274,419,958.67
  5. Step 5: Solve for x
    x = 36,274,419,958.67/284,640.48
  6. Step 6: Final answer
    x = 127,439.43

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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.