Home / 930,387.80-1,396,893.90-576,093.80

Finding the Fourth Proportional to 930,387.80, 1,396,893.90 and 576,093.80

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Solution

The fourth proportional to 930,387.80, 1,396,893.90 and 576,093.80 is: 864,953.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,387.80 : 1,396,893.90 = 576,093.80 : x
  2. Step 2: Convert to fraction form
    930,387.80/1,396,893.90 = 576,093.80/x
  3. Step 3: Cross multiply
    930,387.80x = 1,396,893.90 × 576,093.80
  4. Step 4: Simplify right side
    930,387.80x = 804,741,915,047.82
  5. Step 5: Solve for x
    x = 804,741,915,047.82/930,387.80
  6. Step 6: Final answer
    x = 864,953.21

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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.