Home / 792,092.80-1,188,139.20-477,164.80

Finding the Fourth Proportional to 792,092.80, 1,188,139.20 and 477,164.80

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Solution

The fourth proportional to 792,092.80, 1,188,139.20 and 477,164.80 is: 715,747.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,092.80 : 1,188,139.20 = 477,164.80 : x
  2. Step 2: Convert to fraction form
    792,092.80/1,188,139.20 = 477,164.80/x
  3. Step 3: Cross multiply
    792,092.80x = 1,188,139.20 × 477,164.80
  4. Step 4: Simplify right side
    792,092.80x = 566,938,203,740.16
  5. Step 5: Solve for x
    x = 566,938,203,740.16/792,092.80
  6. Step 6: Final answer
    x = 715,747.20

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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.