Home / 470,135.46-648,780.24-266,181.09

Finding the Fourth Proportional to 470,135.46, 648,780.24 and 266,181.09

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Solution

The fourth proportional to 470,135.46, 648,780.24 and 266,181.09 is: 367,326.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,135.46 : 648,780.24 = 266,181.09 : x
  2. Step 2: Convert to fraction form
    470,135.46/648,780.24 = 266,181.09/x
  3. Step 3: Cross multiply
    470,135.46x = 648,780.24 × 266,181.09
  4. Step 4: Simplify right side
    470,135.46x = 172,693,031,453.66
  5. Step 5: Solve for x
    x = 172,693,031,453.66/470,135.46
  6. Step 6: Final answer
    x = 367,326.11

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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.