Home / 460,941.66-636,141.26-279,699.50

Finding the Fourth Proportional to 460,941.66, 636,141.26 and 279,699.50

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Solution

The fourth proportional to 460,941.66, 636,141.26 and 279,699.50 is: 386,010.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,941.66 : 636,141.26 = 279,699.50 : x
  2. Step 2: Convert to fraction form
    460,941.66/636,141.26 = 279,699.50/x
  3. Step 3: Cross multiply
    460,941.66x = 636,141.26 × 279,699.50
  4. Step 4: Simplify right side
    460,941.66x = 177,928,394,640.97
  5. Step 5: Solve for x
    x = 177,928,394,640.97/460,941.66
  6. Step 6: Final answer
    x = 386,010.66

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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.