Home / 454,976.93-627,866.35-251,040.53

Finding the Fourth Proportional to 454,976.93, 627,866.35 and 251,040.53

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Solution

The fourth proportional to 454,976.93, 627,866.35 and 251,040.53 is: 346,434.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,976.93 : 627,866.35 = 251,040.53 : x
  2. Step 2: Convert to fraction form
    454,976.93/627,866.35 = 251,040.53/x
  3. Step 3: Cross multiply
    454,976.93x = 627,866.35 × 251,040.53
  4. Step 4: Simplify right side
    454,976.93x = 157,619,902,215.23
  5. Step 5: Solve for x
    x = 157,619,902,215.23/454,976.93
  6. Step 6: Final answer
    x = 346,434.93

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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.