Home / 867,317.11-1,196,911.78-474,843.52

Finding the Fourth Proportional to 867,317.11, 1,196,911.78 and 474,843.52

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Solution

The fourth proportional to 867,317.11, 1,196,911.78 and 474,843.52 is: 655,291.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,317.11 : 1,196,911.78 = 474,843.52 : x
  2. Step 2: Convert to fraction form
    867,317.11/1,196,911.78 = 474,843.52/x
  3. Step 3: Cross multiply
    867,317.11x = 1,196,911.78 × 474,843.52
  4. Step 4: Simplify right side
    867,317.11x = 568,345,794,385.89
  5. Step 5: Solve for x
    x = 568,345,794,385.89/867,317.11
  6. Step 6: Final answer
    x = 655,291.81

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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.