Home / 723,692.20-1,085,122.99-274,126.34

Finding the Fourth Proportional to 723,692.20, 1,085,122.99 and 274,126.34

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Solution

The fourth proportional to 723,692.20, 1,085,122.99 and 274,126.34 is: 411,032.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,692.20 : 1,085,122.99 = 274,126.34 : x
  2. Step 2: Convert to fraction form
    723,692.20/1,085,122.99 = 274,126.34/x
  3. Step 3: Cross multiply
    723,692.20x = 1,085,122.99 × 274,126.34
  4. Step 4: Simplify right side
    723,692.20x = 297,460,793,698.56
  5. Step 5: Solve for x
    x = 297,460,793,698.56/723,692.20
  6. Step 6: Final answer
    x = 411,032.20

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Double scale
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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.