Home / 1,204,150.72-1,804,961.76-405,154.88

Finding the Fourth Proportional to 1,204,150.72, 1,804,961.76 and 405,154.88

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Solution

The fourth proportional to 1,204,150.72, 1,804,961.76 and 405,154.88 is: 607,306.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,150.72 : 1,804,961.76 = 405,154.88 : x
  2. Step 2: Convert to fraction form
    1,204,150.72/1,804,961.76 = 405,154.88/x
  3. Step 3: Cross multiply
    1,204,150.72x = 1,804,961.76 × 405,154.88
  4. Step 4: Simplify right side
    1,204,150.72x = 731,289,065,277.39
  5. Step 5: Solve for x
    x = 731,289,065,277.39/1,204,150.72
  6. Step 6: Final answer
    x = 607,306.92

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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.