Home / 490,748.73-736,123.26-153,815.52

Finding the Fourth Proportional to 490,748.73, 736,123.26 and 153,815.52

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Solution

The fourth proportional to 490,748.73, 736,123.26 and 153,815.52 is: 230,723.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,748.73 : 736,123.26 = 153,815.52 : x
  2. Step 2: Convert to fraction form
    490,748.73/736,123.26 = 153,815.52/x
  3. Step 3: Cross multiply
    490,748.73x = 736,123.26 × 153,815.52
  4. Step 4: Simplify right side
    490,748.73x = 113,227,182,021.00
  5. Step 5: Solve for x
    x = 113,227,182,021.00/490,748.73
  6. Step 6: Final answer
    x = 230,723.33

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1.5x scale

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.