Home / 792,103.80-1,188,009.90-492,047.40

Finding the Fourth Proportional to 792,103.80, 1,188,009.90 and 492,047.40

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Solution

The fourth proportional to 792,103.80, 1,188,009.90 and 492,047.40 is: 737,980.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,103.80 : 1,188,009.90 = 492,047.40 : x
  2. Step 2: Convert to fraction form
    792,103.80/1,188,009.90 = 492,047.40/x
  3. Step 3: Cross multiply
    792,103.80x = 1,188,009.90 × 492,047.40
  4. Step 4: Simplify right side
    792,103.80x = 584,557,182,469.26
  5. Step 5: Solve for x
    x = 584,557,182,469.26/792,103.80
  6. Step 6: Final answer
    x = 737,980.53

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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.