Home / 472,789.28-652,434.24-268,862.36

Finding the Fourth Proportional to 472,789.28, 652,434.24 and 268,862.36

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Solution

The fourth proportional to 472,789.28, 652,434.24 and 268,862.36 is: 371,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,789.28 : 652,434.24 = 268,862.36 : x
  2. Step 2: Convert to fraction form
    472,789.28/652,434.24 = 268,862.36/x
  3. Step 3: Cross multiply
    472,789.28x = 652,434.24 × 268,862.36
  4. Step 4: Simplify right side
    472,789.28x = 175,415,009,511.21
  5. Step 5: Solve for x
    x = 175,415,009,511.21/472,789.28
  6. Step 6: Final answer
    x = 371,021.55

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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.