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Finding the Fourth Proportional to 1,788,203.67, 2,467,785.96 and 1,024,404.85

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Solution

The fourth proportional to 1,788,203.67, 2,467,785.96 and 1,024,404.85 is: 1,413,715.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,203.67 : 2,467,785.96 = 1,024,404.85 : x
  2. Step 2: Convert to fraction form
    1,788,203.67/2,467,785.96 = 1,024,404.85/x
  3. Step 3: Cross multiply
    1,788,203.67x = 2,467,785.96 × 1,024,404.85
  4. Step 4: Simplify right side
    1,788,203.67x = 2,528,011,909,794.36
  5. Step 5: Solve for x
    x = 2,528,011,909,794.36/1,788,203.67
  6. Step 6: Final answer
    x = 1,413,715.87

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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.