Home / 1,516,816.86-2,275,564.26-570,195.78

Finding the Fourth Proportional to 1,516,816.86, 2,275,564.26 and 570,195.78

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Solution

The fourth proportional to 1,516,816.86, 2,275,564.26 and 570,195.78 is: 855,421.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,816.86 : 2,275,564.26 = 570,195.78 : x
  2. Step 2: Convert to fraction form
    1,516,816.86/2,275,564.26 = 570,195.78/x
  3. Step 3: Cross multiply
    1,516,816.86x = 2,275,564.26 × 570,195.78
  4. Step 4: Simplify right side
    1,516,816.86x = 1,297,517,138,170.82
  5. Step 5: Solve for x
    x = 1,297,517,138,170.82/1,516,816.86
  6. Step 6: Final answer
    x = 855,421.09

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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.