Home / 1,299,431.62-1,947,838.50-541,692.28

Finding the Fourth Proportional to 1,299,431.62, 1,947,838.50 and 541,692.28

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Solution

The fourth proportional to 1,299,431.62, 1,947,838.50 and 541,692.28 is: 811,992.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,431.62 : 1,947,838.50 = 541,692.28 : x
  2. Step 2: Convert to fraction form
    1,299,431.62/1,947,838.50 = 541,692.28/x
  3. Step 3: Cross multiply
    1,299,431.62x = 1,947,838.50 × 541,692.28
  4. Step 4: Simplify right side
    1,299,431.62x = 1,055,129,078,136.78
  5. Step 5: Solve for x
    x = 1,055,129,078,136.78/1,299,431.62
  6. Step 6: Final answer
    x = 811,992.77

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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.