Home / 403,747.79-557,184.58-231,697.23

Finding the Fourth Proportional to 403,747.79, 557,184.58 and 231,697.23

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Solution

The fourth proportional to 403,747.79, 557,184.58 and 231,697.23 is: 319,749.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,747.79 : 557,184.58 = 231,697.23 : x
  2. Step 2: Convert to fraction form
    403,747.79/557,184.58 = 231,697.23/x
  3. Step 3: Cross multiply
    403,747.79x = 557,184.58 × 231,697.23
  4. Step 4: Simplify right side
    403,747.79x = 129,098,122,626.23
  5. Step 5: Solve for x
    x = 129,098,122,626.23/403,747.79
  6. Step 6: Final answer
    x = 319,749.42

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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.