Home / 470,027.53-648,638.45-255,167.54

Finding the Fourth Proportional to 470,027.53, 648,638.45 and 255,167.54

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Solution

The fourth proportional to 470,027.53, 648,638.45 and 255,167.54 is: 352,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,027.53 : 648,638.45 = 255,167.54 : x
  2. Step 2: Convert to fraction form
    470,027.53/648,638.45 = 255,167.54/x
  3. Step 3: Cross multiply
    470,027.53x = 648,638.45 × 255,167.54
  4. Step 4: Simplify right side
    470,027.53x = 165,511,476,506.16
  5. Step 5: Solve for x
    x = 165,511,476,506.16/470,027.53
  6. Step 6: Final answer
    x = 352,131.45

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1.5x scale

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.