Home / 454,976.70-627,866.10-251,040.35

Finding the Fourth Proportional to 454,976.70, 627,866.10 and 251,040.35

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Solution

The fourth proportional to 454,976.70, 627,866.10 and 251,040.35 is: 346,434.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,976.70 : 627,866.10 = 251,040.35 : x
  2. Step 2: Convert to fraction form
    454,976.70/627,866.10 = 251,040.35/x
  3. Step 3: Cross multiply
    454,976.70x = 627,866.10 × 251,040.35
  4. Step 4: Simplify right side
    454,976.70x = 157,619,722,357.81
  5. Step 5: Solve for x
    x = 157,619,722,357.81/454,976.70
  6. Step 6: Final answer
    x = 346,434.71

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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.