Home / 627,726.52-941,581.68-154,415.98

Finding the Fourth Proportional to 627,726.52, 941,581.68 and 154,415.98

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Solution

The fourth proportional to 627,726.52, 941,581.68 and 154,415.98 is: 231,621.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,726.52 : 941,581.68 = 154,415.98 : x
  2. Step 2: Convert to fraction form
    627,726.52/941,581.68 = 154,415.98/x
  3. Step 3: Cross multiply
    627,726.52x = 941,581.68 × 154,415.98
  4. Step 4: Simplify right side
    627,726.52x = 145,395,257,867.25
  5. Step 5: Solve for x
    x = 145,395,257,867.25/627,726.52
  6. Step 6: Final answer
    x = 231,621.98

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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.