Home / 470,005.14-648,608.56-255,145.34

Finding the Fourth Proportional to 470,005.14, 648,608.56 and 255,145.34

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Solution

The fourth proportional to 470,005.14, 648,608.56 and 255,145.34 is: 352,101.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,005.14 : 648,608.56 = 255,145.34 : x
  2. Step 2: Convert to fraction form
    470,005.14/648,608.56 = 255,145.34/x
  3. Step 3: Cross multiply
    470,005.14x = 648,608.56 × 255,145.34
  4. Step 4: Simplify right side
    470,005.14x = 165,489,451,568.11
  5. Step 5: Solve for x
    x = 165,489,451,568.11/470,005.14
  6. Step 6: Final answer
    x = 352,101.37

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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.