Home / 794,189.70-1,191,875.04-320,879.16

Finding the Fourth Proportional to 794,189.70, 1,191,875.04 and 320,879.16

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Solution

The fourth proportional to 794,189.70, 1,191,875.04 and 320,879.16 is: 481,557.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,189.70 : 1,191,875.04 = 320,879.16 : x
  2. Step 2: Convert to fraction form
    794,189.70/1,191,875.04 = 320,879.16/x
  3. Step 3: Cross multiply
    794,189.70x = 1,191,875.04 × 320,879.16
  4. Step 4: Simplify right side
    794,189.70x = 382,447,861,660.17
  5. Step 5: Solve for x
    x = 382,447,861,660.17/794,189.70
  6. Step 6: Final answer
    x = 481,557.32

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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.