Home / 672,546.78-1,009,004.70-335,180.16

Finding the Fourth Proportional to 672,546.78, 1,009,004.70 and 335,180.16

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Solution

The fourth proportional to 672,546.78, 1,009,004.70 and 335,180.16 is: 502,862.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,546.78 : 1,009,004.70 = 335,180.16 : x
  2. Step 2: Convert to fraction form
    672,546.78/1,009,004.70 = 335,180.16/x
  3. Step 3: Cross multiply
    672,546.78x = 1,009,004.70 × 335,180.16
  4. Step 4: Simplify right side
    672,546.78x = 338,198,356,786.75
  5. Step 5: Solve for x
    x = 338,198,356,786.75/672,546.78
  6. Step 6: Final answer
    x = 502,862.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.