Home / 763,961.43-1,054,205.05-441,692.30

Finding the Fourth Proportional to 763,961.43, 1,054,205.05 and 441,692.30

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Solution

The fourth proportional to 763,961.43, 1,054,205.05 and 441,692.30 is: 609,499.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,961.43 : 1,054,205.05 = 441,692.30 : x
  2. Step 2: Convert to fraction form
    763,961.43/1,054,205.05 = 441,692.30/x
  3. Step 3: Cross multiply
    763,961.43x = 1,054,205.05 × 441,692.30
  4. Step 4: Simplify right side
    763,961.43x = 465,634,253,206.12
  5. Step 5: Solve for x
    x = 465,634,253,206.12/763,961.43
  6. Step 6: Final answer
    x = 609,499.69

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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.