Home / 725,876.94-1,001,709.27-403,576.86

Finding the Fourth Proportional to 725,876.94, 1,001,709.27 and 403,576.86

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Solution

The fourth proportional to 725,876.94, 1,001,709.27 and 403,576.86 is: 556,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,876.94 : 1,001,709.27 = 403,576.86 : x
  2. Step 2: Convert to fraction form
    725,876.94/1,001,709.27 = 403,576.86/x
  3. Step 3: Cross multiply
    725,876.94x = 1,001,709.27 × 403,576.86
  4. Step 4: Simplify right side
    725,876.94x = 404,266,681,819.49
  5. Step 5: Solve for x
    x = 404,266,681,819.49/725,876.94
  6. Step 6: Final answer
    x = 556,935.56

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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.