Home / 552,955.11-763,029.43-307,921.37

Finding the Fourth Proportional to 552,955.11, 763,029.43 and 307,921.37

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Solution

The fourth proportional to 552,955.11, 763,029.43 and 307,921.37 is: 424,904.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,955.11 : 763,029.43 = 307,921.37 : x
  2. Step 2: Convert to fraction form
    552,955.11/763,029.43 = 307,921.37/x
  3. Step 3: Cross multiply
    552,955.11x = 763,029.43 × 307,921.37
  4. Step 4: Simplify right side
    552,955.11x = 234,953,067,435.92
  5. Step 5: Solve for x
    x = 234,953,067,435.92/552,955.11
  6. Step 6: Final answer
    x = 424,904.41

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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.