Home / 1,284,141.60-1,930,359.60-912,736.80

Finding the Fourth Proportional to 1,284,141.60, 1,930,359.60 and 912,736.80

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Solution

The fourth proportional to 1,284,141.60, 1,930,359.60 and 912,736.80 is: 1,372,052.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,141.60 : 1,930,359.60 = 912,736.80 : x
  2. Step 2: Convert to fraction form
    1,284,141.60/1,930,359.60 = 912,736.80/x
  3. Step 3: Cross multiply
    1,284,141.60x = 1,930,359.60 × 912,736.80
  4. Step 4: Simplify right side
    1,284,141.60x = 1,761,910,244,153.28
  5. Step 5: Solve for x
    x = 1,761,910,244,153.28/1,284,141.60
  6. Step 6: Final answer
    x = 1,372,052.93

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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.