Home / 470,624.05-649,466.25-255,764.16

Finding the Fourth Proportional to 470,624.05, 649,466.25 and 255,764.16

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Solution

The fourth proportional to 470,624.05, 649,466.25 and 255,764.16 is: 352,957.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,624.05 : 649,466.25 = 255,764.16 : x
  2. Step 2: Convert to fraction form
    470,624.05/649,466.25 = 255,764.16/x
  3. Step 3: Cross multiply
    470,624.05x = 649,466.25 × 255,764.16
  4. Step 4: Simplify right side
    470,624.05x = 166,110,189,879.60
  5. Step 5: Solve for x
    x = 166,110,189,879.60/470,624.05
  6. Step 6: Final answer
    x = 352,957.29

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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.