Home / 470,664.42-649,521.96-255,804.54

Finding the Fourth Proportional to 470,664.42, 649,521.96 and 255,804.54

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Solution

The fourth proportional to 470,664.42, 649,521.96 and 255,804.54 is: 353,013.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,664.42 : 649,521.96 = 255,804.54 : x
  2. Step 2: Convert to fraction form
    470,664.42/649,521.96 = 255,804.54/x
  3. Step 3: Cross multiply
    470,664.42x = 649,521.96 × 255,804.54
  4. Step 4: Simplify right side
    470,664.42x = 166,150,666,197.70
  5. Step 5: Solve for x
    x = 166,150,666,197.70/470,664.42
  6. Step 6: Final answer
    x = 353,013.02

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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.