Home / 461,630.98-637,048.32-268,086.28

Finding the Fourth Proportional to 461,630.98, 637,048.32 and 268,086.28

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Solution

The fourth proportional to 461,630.98, 637,048.32 and 268,086.28 is: 369,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,630.98 : 637,048.32 = 268,086.28 : x
  2. Step 2: Convert to fraction form
    461,630.98/637,048.32 = 268,086.28/x
  3. Step 3: Cross multiply
    461,630.98x = 637,048.32 × 268,086.28
  4. Step 4: Simplify right side
    461,630.98x = 170,783,914,289.05
  5. Step 5: Solve for x
    x = 170,783,914,289.05/461,630.98
  6. Step 6: Final answer
    x = 369,957.65

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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.