Home / 1,715,845.64-2,573,786.68-517,778.48

Finding the Fourth Proportional to 1,715,845.64, 2,573,786.68 and 517,778.48

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Solution

The fourth proportional to 1,715,845.64, 2,573,786.68 and 517,778.48 is: 776,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,845.64 : 2,573,786.68 = 517,778.48 : x
  2. Step 2: Convert to fraction form
    1,715,845.64/2,573,786.68 = 517,778.48/x
  3. Step 3: Cross multiply
    1,715,845.64x = 2,573,786.68 × 517,778.48
  4. Step 4: Simplify right side
    1,715,845.64x = 1,332,651,360,154.67
  5. Step 5: Solve for x
    x = 1,332,651,360,154.67/1,715,845.64
  6. Step 6: Final answer
    x = 776,673.22

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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.