Home / 759,162.38-1,137,857.83-422,041.79

Finding the Fourth Proportional to 759,162.38, 1,137,857.83 and 422,041.79

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Solution

The fourth proportional to 759,162.38, 1,137,857.83 and 422,041.79 is: 632,570.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,162.38 : 1,137,857.83 = 422,041.79 : x
  2. Step 2: Convert to fraction form
    759,162.38/1,137,857.83 = 422,041.79/x
  3. Step 3: Cross multiply
    759,162.38x = 1,137,857.83 × 422,041.79
  4. Step 4: Simplify right side
    759,162.38x = 480,223,557,128.26
  5. Step 5: Solve for x
    x = 480,223,557,128.26/759,162.38
  6. Step 6: Final answer
    x = 632,570.28

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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.