Home / 961,771.76-1,327,293.48-579,921.68

Finding the Fourth Proportional to 961,771.76, 1,327,293.48 and 579,921.68

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Solution

The fourth proportional to 961,771.76, 1,327,293.48 and 579,921.68 is: 800,321.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,771.76 : 1,327,293.48 = 579,921.68 : x
  2. Step 2: Convert to fraction form
    961,771.76/1,327,293.48 = 579,921.68/x
  3. Step 3: Cross multiply
    961,771.76x = 1,327,293.48 × 579,921.68
  4. Step 4: Simplify right side
    961,771.76x = 769,726,264,774.65
  5. Step 5: Solve for x
    x = 769,726,264,774.65/961,771.76
  6. Step 6: Final answer
    x = 800,321.13

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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.