Home / 470,743.49-706,109.11-115,760.61

Finding the Fourth Proportional to 470,743.49, 706,109.11 and 115,760.61

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Solution

The fourth proportional to 470,743.49, 706,109.11 and 115,760.61 is: 173,639.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,743.49 : 706,109.11 = 115,760.61 : x
  2. Step 2: Convert to fraction form
    470,743.49/706,109.11 = 115,760.61/x
  3. Step 3: Cross multiply
    470,743.49x = 706,109.11 × 115,760.61
  4. Step 4: Simplify right side
    470,743.49x = 81,739,621,300.16
  5. Step 5: Solve for x
    x = 81,739,621,300.16/470,743.49
  6. Step 6: Final answer
    x = 173,639.41

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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.