Home / 1,272,561.84-1,755,550.16-1,127,514.54

Finding the Fourth Proportional to 1,272,561.84, 1,755,550.16 and 1,127,514.54

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Solution

The fourth proportional to 1,272,561.84, 1,755,550.16 and 1,127,514.54 is: 1,555,451.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,561.84 : 1,755,550.16 = 1,127,514.54 : x
  2. Step 2: Convert to fraction form
    1,272,561.84/1,755,550.16 = 1,127,514.54/x
  3. Step 3: Cross multiply
    1,272,561.84x = 1,755,550.16 × 1,127,514.54
  4. Step 4: Simplify right side
    1,272,561.84x = 1,979,408,331,099.33
  5. Step 5: Solve for x
    x = 1,979,408,331,099.33/1,272,561.84
  6. Step 6: Final answer
    x = 1,555,451.59

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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.