Home / 725,265.89-1,087,898.63-226,629.89

Finding the Fourth Proportional to 725,265.89, 1,087,898.63 and 226,629.89

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Solution

The fourth proportional to 725,265.89, 1,087,898.63 and 226,629.89 is: 339,944.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,265.89 : 1,087,898.63 = 226,629.89 : x
  2. Step 2: Convert to fraction form
    725,265.89/1,087,898.63 = 226,629.89/x
  3. Step 3: Cross multiply
    725,265.89x = 1,087,898.63 × 226,629.89
  4. Step 4: Simplify right side
    725,265.89x = 246,550,346,848.05
  5. Step 5: Solve for x
    x = 246,550,346,848.05/725,265.89
  6. Step 6: Final answer
    x = 339,944.77

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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.