Home / 1,466,072.81-2,023,078.41-812,692.55

Finding the Fourth Proportional to 1,466,072.81, 2,023,078.41 and 812,692.55

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Solution

The fourth proportional to 1,466,072.81, 2,023,078.41 and 812,692.55 is: 1,121,459.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466,072.81 : 2,023,078.41 = 812,692.55 : x
  2. Step 2: Convert to fraction form
    1,466,072.81/2,023,078.41 = 812,692.55/x
  3. Step 3: Cross multiply
    1,466,072.81x = 2,023,078.41 × 812,692.55
  4. Step 4: Simplify right side
    1,466,072.81x = 1,644,140,741,757.45
  5. Step 5: Solve for x
    x = 1,644,140,741,757.45/1,466,072.81
  6. Step 6: Final answer
    x = 1,121,459.14

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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.