Home / 1,045,121.20-1,567,305.90-361,822.51

Finding the Fourth Proportional to 1,045,121.20, 1,567,305.90 and 361,822.51

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Solution

The fourth proportional to 1,045,121.20, 1,567,305.90 and 361,822.51 is: 542,603.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,121.20 : 1,567,305.90 = 361,822.51 : x
  2. Step 2: Convert to fraction form
    1,045,121.20/1,567,305.90 = 361,822.51/x
  3. Step 3: Cross multiply
    1,045,121.20x = 1,567,305.90 × 361,822.51
  4. Step 4: Simplify right side
    1,045,121.20x = 567,086,556,634.94
  5. Step 5: Solve for x
    x = 567,086,556,634.94/1,045,121.20
  6. Step 6: Final answer
    x = 542,603.63

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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.