Home / 477,519.89-659,071.08-273,707.42

Finding the Fourth Proportional to 477,519.89, 659,071.08 and 273,707.42

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Solution

The fourth proportional to 477,519.89, 659,071.08 and 273,707.42 is: 377,769.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,519.89 : 659,071.08 = 273,707.42 : x
  2. Step 2: Convert to fraction form
    477,519.89/659,071.08 = 273,707.42/x
  3. Step 3: Cross multiply
    477,519.89x = 659,071.08 × 273,707.42
  4. Step 4: Simplify right side
    477,519.89x = 180,392,641,608.06
  5. Step 5: Solve for x
    x = 180,392,641,608.06/477,519.89
  6. Step 6: Final answer
    x = 377,769.91

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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.