Home / 470,636.06-649,481.92-255,776.28

Finding the Fourth Proportional to 470,636.06, 649,481.92 and 255,776.28

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Solution

The fourth proportional to 470,636.06, 649,481.92 and 255,776.28 is: 352,973.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,636.06 : 649,481.92 = 255,776.28 : x
  2. Step 2: Convert to fraction form
    470,636.06/649,481.92 = 255,776.28/x
  3. Step 3: Cross multiply
    470,636.06x = 649,481.92 × 255,776.28
  4. Step 4: Simplify right side
    470,636.06x = 166,122,069,424.86
  5. Step 5: Solve for x
    x = 166,122,069,424.86/470,636.06
  6. Step 6: Final answer
    x = 352,973.53

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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.