Home / 1,263,488.03-1,895,331.40-422,042.75

Finding the Fourth Proportional to 1,263,488.03, 1,895,331.40 and 422,042.75

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Solution

The fourth proportional to 1,263,488.03, 1,895,331.40 and 422,042.75 is: 633,097.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,488.03 : 1,895,331.40 = 422,042.75 : x
  2. Step 2: Convert to fraction form
    1,263,488.03/1,895,331.40 = 422,042.75/x
  3. Step 3: Cross multiply
    1,263,488.03x = 1,895,331.40 × 422,042.75
  4. Step 4: Simplify right side
    1,263,488.03x = 799,910,865,685.59
  5. Step 5: Solve for x
    x = 799,910,865,685.59/1,263,488.03
  6. Step 6: Final answer
    x = 633,097.31

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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.