Home / 1,155,753.36-1,733,458.32-445,692.78

Finding the Fourth Proportional to 1,155,753.36, 1,733,458.32 and 445,692.78

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Solution

The fourth proportional to 1,155,753.36, 1,733,458.32 and 445,692.78 is: 668,472.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,753.36 : 1,733,458.32 = 445,692.78 : x
  2. Step 2: Convert to fraction form
    1,155,753.36/1,733,458.32 = 445,692.78/x
  3. Step 3: Cross multiply
    1,155,753.36x = 1,733,458.32 × 445,692.78
  4. Step 4: Simplify right side
    1,155,753.36x = 772,589,857,654.93
  5. Step 5: Solve for x
    x = 772,589,857,654.93/1,155,753.36
  6. Step 6: Final answer
    x = 668,472.95

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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.