Home / 625,724.70-938,025.72-226,271.58

Finding the Fourth Proportional to 625,724.70, 938,025.72 and 226,271.58

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Solution

The fourth proportional to 625,724.70, 938,025.72 and 226,271.58 is: 339,204.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,724.70 : 938,025.72 = 226,271.58 : x
  2. Step 2: Convert to fraction form
    625,724.70/938,025.72 = 226,271.58/x
  3. Step 3: Cross multiply
    625,724.70x = 938,025.72 × 226,271.58
  4. Step 4: Simplify right side
    625,724.70x = 212,248,561,745.04
  5. Step 5: Solve for x
    x = 212,248,561,745.04/625,724.70
  6. Step 6: Final answer
    x = 339,204.38

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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.