Home / 313,561.13-433,854.33-273,358.60

Finding the Fourth Proportional to 313,561.13, 433,854.33 and 273,358.60

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Solution

The fourth proportional to 313,561.13, 433,854.33 and 273,358.60 is: 378,228.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,561.13 : 433,854.33 = 273,358.60 : x
  2. Step 2: Convert to fraction form
    313,561.13/433,854.33 = 273,358.60/x
  3. Step 3: Cross multiply
    313,561.13x = 433,854.33 × 273,358.60
  4. Step 4: Simplify right side
    313,561.13x = 118,597,810,143.01
  5. Step 5: Solve for x
    x = 118,597,810,143.01/313,561.13
  6. Step 6: Final answer
    x = 378,228.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.