Home / 1,177,722.69-1,765,618.58-419,132.19

Finding the Fourth Proportional to 1,177,722.69, 1,765,618.58 and 419,132.19

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Solution

The fourth proportional to 1,177,722.69, 1,765,618.58 and 419,132.19 is: 628,354.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,722.69 : 1,765,618.58 = 419,132.19 : x
  2. Step 2: Convert to fraction form
    1,177,722.69/1,765,618.58 = 419,132.19/x
  3. Step 3: Cross multiply
    1,177,722.69x = 1,765,618.58 × 419,132.19
  4. Step 4: Simplify right side
    1,177,722.69x = 740,027,580,044.43
  5. Step 5: Solve for x
    x = 740,027,580,044.43/1,177,722.69
  6. Step 6: Final answer
    x = 628,354.69

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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.