Home / 625,943.36-938,679.28-226,485.36

Finding the Fourth Proportional to 625,943.36, 938,679.28 and 226,485.36

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Solution

The fourth proportional to 625,943.36, 938,679.28 and 226,485.36 is: 339,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,943.36 : 938,679.28 = 226,485.36 : x
  2. Step 2: Convert to fraction form
    625,943.36/938,679.28 = 226,485.36/x
  3. Step 3: Cross multiply
    625,943.36x = 938,679.28 × 226,485.36
  4. Step 4: Simplify right side
    625,943.36x = 212,597,114,655.34
  5. Step 5: Solve for x
    x = 212,597,114,655.34/625,943.36
  6. Step 6: Final answer
    x = 339,642.73

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1.5x scale

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.