Home / 704,761.25-1,056,400.20-448,788.42

Finding the Fourth Proportional to 704,761.25, 1,056,400.20 and 448,788.42

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Solution

The fourth proportional to 704,761.25, 1,056,400.20 and 448,788.42 is: 672,710.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,761.25 : 1,056,400.20 = 448,788.42 : x
  2. Step 2: Convert to fraction form
    704,761.25/1,056,400.20 = 448,788.42/x
  3. Step 3: Cross multiply
    704,761.25x = 1,056,400.20 × 448,788.42
  4. Step 4: Simplify right side
    704,761.25x = 474,100,176,645.68
  5. Step 5: Solve for x
    x = 474,100,176,645.68/704,761.25
  6. Step 6: Final answer
    x = 672,710.34

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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.