Home / 943,640.70-1,413,905.85-785,010.30

Finding the Fourth Proportional to 943,640.70, 1,413,905.85 and 785,010.30

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Solution

The fourth proportional to 943,640.70, 1,413,905.85 and 785,010.30 is: 1,176,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,640.70 : 1,413,905.85 = 785,010.30 : x
  2. Step 2: Convert to fraction form
    943,640.70/1,413,905.85 = 785,010.30/x
  3. Step 3: Cross multiply
    943,640.70x = 1,413,905.85 × 785,010.30
  4. Step 4: Simplify right side
    943,640.70x = 1,109,930,655,480.26
  5. Step 5: Solve for x
    x = 1,109,930,655,480.26/943,640.70
  6. Step 6: Final answer
    x = 1,176,221.69

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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.