Home / 404,330.97-558,156.03-261,160.84

Finding the Fourth Proportional to 404,330.97, 558,156.03 and 261,160.84

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Solution

The fourth proportional to 404,330.97, 558,156.03 and 261,160.84 is: 360,517.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,330.97 : 558,156.03 = 261,160.84 : x
  2. Step 2: Convert to fraction form
    404,330.97/558,156.03 = 261,160.84/x
  3. Step 3: Cross multiply
    404,330.97x = 558,156.03 × 261,160.84
  4. Step 4: Simplify right side
    404,330.97x = 145,768,494,855.09
  5. Step 5: Solve for x
    x = 145,768,494,855.09/404,330.97
  6. Step 6: Final answer
    x = 360,517.76

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1.5x scale

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.