Home / 591,141.38-815,794.61-322,869.38

Finding the Fourth Proportional to 591,141.38, 815,794.61 and 322,869.38

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Solution

The fourth proportional to 591,141.38, 815,794.61 and 322,869.38 is: 445,570.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,141.38 : 815,794.61 = 322,869.38 : x
  2. Step 2: Convert to fraction form
    591,141.38/815,794.61 = 322,869.38/x
  3. Step 3: Cross multiply
    591,141.38x = 815,794.61 × 322,869.38
  4. Step 4: Simplify right side
    591,141.38x = 263,395,094,244.72
  5. Step 5: Solve for x
    x = 263,395,094,244.72/591,141.38
  6. Step 6: Final answer
    x = 445,570.39

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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.