Home / 377,784.38-521,356.22-234,623.36

Finding the Fourth Proportional to 377,784.38, 521,356.22 and 234,623.36

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Solution

The fourth proportional to 377,784.38, 521,356.22 and 234,623.36 is: 323,788.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,784.38 : 521,356.22 = 234,623.36 : x
  2. Step 2: Convert to fraction form
    377,784.38/521,356.22 = 234,623.36/x
  3. Step 3: Cross multiply
    377,784.38x = 521,356.22 × 234,623.36
  4. Step 4: Simplify right side
    377,784.38x = 122,322,348,093.30
  5. Step 5: Solve for x
    x = 122,322,348,093.30/377,784.38
  6. Step 6: Final answer
    x = 323,788.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.