Home / 1,235,692.10-1,853,538.15-394,328.90

Finding the Fourth Proportional to 1,235,692.10, 1,853,538.15 and 394,328.90

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Solution

The fourth proportional to 1,235,692.10, 1,853,538.15 and 394,328.90 is: 591,493.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,692.10 : 1,853,538.15 = 394,328.90 : x
  2. Step 2: Convert to fraction form
    1,235,692.10/1,853,538.15 = 394,328.90/x
  3. Step 3: Cross multiply
    1,235,692.10x = 1,853,538.15 × 394,328.90
  4. Step 4: Simplify right side
    1,235,692.10x = 730,903,659,797.54
  5. Step 5: Solve for x
    x = 730,903,659,797.54/1,235,692.10
  6. Step 6: Final answer
    x = 591,493.35

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Double scale
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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.