Home / 780,709.89-1,077,365.60-441,170.85

Finding the Fourth Proportional to 780,709.89, 1,077,365.60 and 441,170.85

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Solution

The fourth proportional to 780,709.89, 1,077,365.60 and 441,170.85 is: 608,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,709.89 : 1,077,365.60 = 441,170.85 : x
  2. Step 2: Convert to fraction form
    780,709.89/1,077,365.60 = 441,170.85/x
  3. Step 3: Cross multiply
    780,709.89x = 1,077,365.60 × 441,170.85
  4. Step 4: Simplify right side
    780,709.89x = 475,302,295,306.91
  5. Step 5: Solve for x
    x = 475,302,295,306.91/780,709.89
  6. Step 6: Final answer
    x = 608,807.83

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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.