Home / 1,100,461.70-1,650,692.55-1,005,983.30

Finding the Fourth Proportional to 1,100,461.70, 1,650,692.55 and 1,005,983.30

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Solution

The fourth proportional to 1,100,461.70, 1,650,692.55 and 1,005,983.30 is: 1,508,974.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,461.70 : 1,650,692.55 = 1,005,983.30 : x
  2. Step 2: Convert to fraction form
    1,100,461.70/1,650,692.55 = 1,005,983.30/x
  3. Step 3: Cross multiply
    1,100,461.70x = 1,650,692.55 × 1,005,983.30
  4. Step 4: Simplify right side
    1,100,461.70x = 1,660,569,138,734.42
  5. Step 5: Solve for x
    x = 1,660,569,138,734.42/1,100,461.70
  6. Step 6: Final answer
    x = 1,508,974.95

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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.