Home / 470,517.45-649,318.04-255,657.52

Finding the Fourth Proportional to 470,517.45, 649,318.04 and 255,657.52

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Solution

The fourth proportional to 470,517.45, 649,318.04 and 255,657.52 is: 352,809.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,517.45 : 649,318.04 = 255,657.52 : x
  2. Step 2: Convert to fraction form
    470,517.45/649,318.04 = 255,657.52/x
  3. Step 3: Cross multiply
    470,517.45x = 649,318.04 × 255,657.52
  4. Step 4: Simplify right side
    470,517.45x = 166,003,039,797.66
  5. Step 5: Solve for x
    x = 166,003,039,797.66/470,517.45
  6. Step 6: Final answer
    x = 352,809.53

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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.