Home / 488,723.27-674,438.09-297,736.52

Finding the Fourth Proportional to 488,723.27, 674,438.09 and 297,736.52

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Solution

The fourth proportional to 488,723.27, 674,438.09 and 297,736.52 is: 410,876.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,723.27 : 674,438.09 = 297,736.52 : x
  2. Step 2: Convert to fraction form
    488,723.27/674,438.09 = 297,736.52/x
  3. Step 3: Cross multiply
    488,723.27x = 674,438.09 × 297,736.52
  4. Step 4: Simplify right side
    488,723.27x = 200,804,845,011.17
  5. Step 5: Solve for x
    x = 200,804,845,011.17/488,723.27
  6. Step 6: Final answer
    x = 410,876.38

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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.