Home / 1,001,408.80-1,381,944.72-548,699.68

Finding the Fourth Proportional to 1,001,408.80, 1,381,944.72 and 548,699.68

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Solution

The fourth proportional to 1,001,408.80, 1,381,944.72 and 548,699.68 is: 757,205.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,408.80 : 1,381,944.72 = 548,699.68 : x
  2. Step 2: Convert to fraction form
    1,001,408.80/1,381,944.72 = 548,699.68/x
  3. Step 3: Cross multiply
    1,001,408.80x = 1,381,944.72 × 548,699.68
  4. Step 4: Simplify right side
    1,001,408.80x = 758,272,625,641.69
  5. Step 5: Solve for x
    x = 758,272,625,641.69/1,001,408.80
  6. Step 6: Final answer
    x = 757,205.87

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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.