Home / 535,541.51-739,022.78-293,819.09

Finding the Fourth Proportional to 535,541.51, 739,022.78 and 293,819.09

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Solution

The fourth proportional to 535,541.51, 739,022.78 and 293,819.09 is: 405,456.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,541.51 : 739,022.78 = 293,819.09 : x
  2. Step 2: Convert to fraction form
    535,541.51/739,022.78 = 293,819.09/x
  3. Step 3: Cross multiply
    535,541.51x = 739,022.78 × 293,819.09
  4. Step 4: Simplify right side
    535,541.51x = 217,138,995,544.66
  5. Step 5: Solve for x
    x = 217,138,995,544.66/535,541.51
  6. Step 6: Final answer
    x = 405,456.89

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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.