Home / 1,059,880.31-1,589,821.34-261,161.94

Finding the Fourth Proportional to 1,059,880.31, 1,589,821.34 and 261,161.94

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Solution

The fourth proportional to 1,059,880.31, 1,589,821.34 and 261,161.94 is: 391,743.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,880.31 : 1,589,821.34 = 261,161.94 : x
  2. Step 2: Convert to fraction form
    1,059,880.31/1,589,821.34 = 261,161.94/x
  3. Step 3: Cross multiply
    1,059,880.31x = 1,589,821.34 × 261,161.94
  4. Step 4: Simplify right side
    1,059,880.31x = 415,200,822,590.11
  5. Step 5: Solve for x
    x = 415,200,822,590.11/1,059,880.31
  6. Step 6: Final answer
    x = 391,743.12

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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.