Home / 363,768.10-501,974.18-200,417.47

Finding the Fourth Proportional to 363,768.10, 501,974.18 and 200,417.47

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Solution

The fourth proportional to 363,768.10, 501,974.18 and 200,417.47 is: 276,561.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,768.10 : 501,974.18 = 200,417.47 : x
  2. Step 2: Convert to fraction form
    363,768.10/501,974.18 = 200,417.47/x
  3. Step 3: Cross multiply
    363,768.10x = 501,974.18 × 200,417.47
  4. Step 4: Simplify right side
    363,768.10x = 100,604,394,158.84
  5. Step 5: Solve for x
    x = 100,604,394,158.84/363,768.10
  6. Step 6: Final answer
    x = 276,561.89

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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.