Home / 470,637.96-649,484.67-255,778.53

Finding the Fourth Proportional to 470,637.96, 649,484.67 and 255,778.53

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Solution

The fourth proportional to 470,637.96, 649,484.67 and 255,778.53 is: 352,976.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,637.96 : 649,484.67 = 255,778.53 : x
  2. Step 2: Convert to fraction form
    470,637.96/649,484.67 = 255,778.53/x
  3. Step 3: Cross multiply
    470,637.96x = 649,484.67 × 255,778.53
  4. Step 4: Simplify right side
    470,637.96x = 166,124,236,355.33
  5. Step 5: Solve for x
    x = 166,124,236,355.33/470,637.96
  6. Step 6: Final answer
    x = 352,976.71

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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.