Home / 986,840.46-1,361,918.95-784,560.73

Finding the Fourth Proportional to 986,840.46, 1,361,918.95 and 784,560.73

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Solution

The fourth proportional to 986,840.46, 1,361,918.95 and 784,560.73 is: 1,082,756.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,840.46 : 1,361,918.95 = 784,560.73 : x
  2. Step 2: Convert to fraction form
    986,840.46/1,361,918.95 = 784,560.73/x
  3. Step 3: Cross multiply
    986,840.46x = 1,361,918.95 × 784,560.73
  4. Step 4: Simplify right side
    986,840.46x = 1,068,508,125,152.43
  5. Step 5: Solve for x
    x = 1,068,508,125,152.43/986,840.46
  6. Step 6: Final answer
    x = 1,082,756.71

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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.