Home / 1,212,588.05-1,818,882.08-413,604.05

Finding the Fourth Proportional to 1,212,588.05, 1,818,882.08 and 413,604.05

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Solution

The fourth proportional to 1,212,588.05, 1,818,882.08 and 413,604.05 is: 620,406.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,588.05 : 1,818,882.08 = 413,604.05 : x
  2. Step 2: Convert to fraction form
    1,212,588.05/1,818,882.08 = 413,604.05/x
  3. Step 3: Cross multiply
    1,212,588.05x = 1,818,882.08 × 413,604.05
  4. Step 4: Simplify right side
    1,212,588.05x = 752,296,992,692.40
  5. Step 5: Solve for x
    x = 752,296,992,692.40/1,212,588.05
  6. Step 6: Final answer
    x = 620,406.08

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Similar ratio
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1.5x scale

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.