Home / 420,226.52-627,062.23-374,936.52

Finding the Fourth Proportional to 420,226.52, 627,062.23 and 374,936.52

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Solution

The fourth proportional to 420,226.52, 627,062.23 and 374,936.52 is: 559,480.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,226.52 : 627,062.23 = 374,936.52 : x
  2. Step 2: Convert to fraction form
    420,226.52/627,062.23 = 374,936.52/x
  3. Step 3: Cross multiply
    420,226.52x = 627,062.23 × 374,936.52
  4. Step 4: Simplify right side
    420,226.52x = 235,108,530,339.64
  5. Step 5: Solve for x
    x = 235,108,530,339.64/420,226.52
  6. Step 6: Final answer
    x = 559,480.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.