Home / 370,743.75-556,115.27-320,675.00

Finding the Fourth Proportional to 370,743.75, 556,115.27 and 320,675.00

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Solution

The fourth proportional to 370,743.75, 556,115.27 and 320,675.00 is: 481,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,743.75 : 556,115.27 = 320,675.00 : x
  2. Step 2: Convert to fraction form
    370,743.75/556,115.27 = 320,675.00/x
  3. Step 3: Cross multiply
    370,743.75x = 556,115.27 × 320,675.00
  4. Step 4: Simplify right side
    370,743.75x = 178,332,259,823.30
  5. Step 5: Solve for x
    x = 178,332,259,823.30/370,743.75
  6. Step 6: Final answer
    x = 481,012.18

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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.