Home / 996,568.60-1,375,309.39-561,135.69

Finding the Fourth Proportional to 996,568.60, 1,375,309.39 and 561,135.69

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Solution

The fourth proportional to 996,568.60, 1,375,309.39 and 561,135.69 is: 774,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,568.60 : 1,375,309.39 = 561,135.69 : x
  2. Step 2: Convert to fraction form
    996,568.60/1,375,309.39 = 561,135.69/x
  3. Step 3: Cross multiply
    996,568.60x = 1,375,309.39 × 561,135.69
  4. Step 4: Simplify right side
    996,568.60x = 771,735,183,521.13
  5. Step 5: Solve for x
    x = 771,735,183,521.13/996,568.60
  6. Step 6: Final answer
    x = 774,392.43

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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.