Home / 611,936.79-917,588.41-274,687.04

Finding the Fourth Proportional to 611,936.79, 917,588.41 and 274,687.04

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Solution

The fourth proportional to 611,936.79, 917,588.41 and 274,687.04 is: 411,888.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,936.79 : 917,588.41 = 274,687.04 : x
  2. Step 2: Convert to fraction form
    611,936.79/917,588.41 = 274,687.04/x
  3. Step 3: Cross multiply
    611,936.79x = 917,588.41 × 274,687.04
  4. Step 4: Simplify right side
    611,936.79x = 252,049,644,281.21
  5. Step 5: Solve for x
    x = 252,049,644,281.21/611,936.79
  6. Step 6: Final answer
    x = 411,888.37

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1.5x scale

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.