Home / 377,824.38-521,404.47-205,747.44

Finding the Fourth Proportional to 377,824.38, 521,404.47 and 205,747.44

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Solution

The fourth proportional to 377,824.38, 521,404.47 and 205,747.44 is: 283,935.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,824.38 : 521,404.47 = 205,747.44 : x
  2. Step 2: Convert to fraction form
    377,824.38/521,404.47 = 205,747.44/x
  3. Step 3: Cross multiply
    377,824.38x = 521,404.47 × 205,747.44
  4. Step 4: Simplify right side
    377,824.38x = 107,277,634,907.06
  5. Step 5: Solve for x
    x = 107,277,634,907.06/377,824.38
  6. Step 6: Final answer
    x = 283,935.18

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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.