Home / 470,542.40-705,815.96-115,556.52

Finding the Fourth Proportional to 470,542.40, 705,815.96 and 115,556.52

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Solution

The fourth proportional to 470,542.40, 705,815.96 and 115,556.52 is: 173,335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,542.40 : 705,815.96 = 115,556.52 : x
  2. Step 2: Convert to fraction form
    470,542.40/705,815.96 = 115,556.52/x
  3. Step 3: Cross multiply
    470,542.40x = 705,815.96 × 115,556.52
  4. Step 4: Simplify right side
    470,542.40x = 81,561,638,817.09
  5. Step 5: Solve for x
    x = 81,561,638,817.09/470,542.40
  6. Step 6: Final answer
    x = 173,335.37

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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.