Home / 415,248.12-622,872.20-237,629.52

Finding the Fourth Proportional to 415,248.12, 622,872.20 and 237,629.52

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Solution

The fourth proportional to 415,248.12, 622,872.20 and 237,629.52 is: 356,444.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,248.12 : 622,872.20 = 237,629.52 : x
  2. Step 2: Convert to fraction form
    415,248.12/622,872.20 = 237,629.52/x
  3. Step 3: Cross multiply
    415,248.12x = 622,872.20 × 237,629.52
  4. Step 4: Simplify right side
    415,248.12x = 148,012,821,907.34
  5. Step 5: Solve for x
    x = 148,012,821,907.34/415,248.12
  6. Step 6: Final answer
    x = 356,444.29

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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.