Home / 417,939.72-576,848.64-274,713.08

Finding the Fourth Proportional to 417,939.72, 576,848.64 and 274,713.08

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Solution

The fourth proportional to 417,939.72, 576,848.64 and 274,713.08 is: 379,164.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,939.72 : 576,848.64 = 274,713.08 : x
  2. Step 2: Convert to fraction form
    417,939.72/576,848.64 = 274,713.08/x
  3. Step 3: Cross multiply
    417,939.72x = 576,848.64 × 274,713.08
  4. Step 4: Simplify right side
    417,939.72x = 158,467,866,588.21
  5. Step 5: Solve for x
    x = 158,467,866,588.21/417,939.72
  6. Step 6: Final answer
    x = 379,164.41

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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.