Home / 450,923.10-676,064.28-226,121.38

Finding the Fourth Proportional to 450,923.10, 676,064.28 and 226,121.38

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Solution

The fourth proportional to 450,923.10, 676,064.28 and 226,121.38 is: 339,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,923.10 : 676,064.28 = 226,121.38 : x
  2. Step 2: Convert to fraction form
    450,923.10/676,064.28 = 226,121.38/x
  3. Step 3: Cross multiply
    450,923.10x = 676,064.28 × 226,121.38
  4. Step 4: Simplify right side
    450,923.10x = 152,872,587,962.31
  5. Step 5: Solve for x
    x = 152,872,587,962.31/450,923.10
  6. Step 6: Final answer
    x = 339,021.42

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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.