Home / 478,849.28-718,273.92-163,308.92

Finding the Fourth Proportional to 478,849.28, 718,273.92 and 163,308.92

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Solution

The fourth proportional to 478,849.28, 718,273.92 and 163,308.92 is: 244,963.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,849.28 : 718,273.92 = 163,308.92 : x
  2. Step 2: Convert to fraction form
    478,849.28/718,273.92 = 163,308.92/x
  3. Step 3: Cross multiply
    478,849.28x = 718,273.92 × 163,308.92
  4. Step 4: Simplify right side
    478,849.28x = 117,300,538,139.37
  5. Step 5: Solve for x
    x = 117,300,538,139.37/478,849.28
  6. Step 6: Final answer
    x = 244,963.38

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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.