Home / 470,249.92-648,948.70-255,391.52

Finding the Fourth Proportional to 470,249.92, 648,948.70 and 255,391.52

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Solution

The fourth proportional to 470,249.92, 648,948.70 and 255,391.52 is: 352,442.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,249.92 : 648,948.70 = 255,391.52 : x
  2. Step 2: Convert to fraction form
    470,249.92/648,948.70 = 255,391.52/x
  3. Step 3: Cross multiply
    470,249.92x = 648,948.70 × 255,391.52
  4. Step 4: Simplify right side
    470,249.92x = 165,735,991,011.80
  5. Step 5: Solve for x
    x = 165,735,991,011.80/470,249.92
  6. Step 6: Final answer
    x = 352,442.36

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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.