Home / 1,778,889.56-2,668,408.20-516,717.20

Finding the Fourth Proportional to 1,778,889.56, 2,668,408.20 and 516,717.20

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Solution

The fourth proportional to 1,778,889.56, 2,668,408.20 and 516,717.20 is: 775,097.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,889.56 : 2,668,408.20 = 516,717.20 : x
  2. Step 2: Convert to fraction form
    1,778,889.56/2,668,408.20 = 516,717.20/x
  3. Step 3: Cross multiply
    1,778,889.56x = 2,668,408.20 × 516,717.20
  4. Step 4: Simplify right side
    1,778,889.56x = 1,378,812,413,561.04
  5. Step 5: Solve for x
    x = 1,378,812,413,561.04/1,778,889.56
  6. Step 6: Final answer
    x = 775,097.25

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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.