Home / 741,772.40-1,112,658.60-404,682.80

Finding the Fourth Proportional to 741,772.40, 1,112,658.60 and 404,682.80

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Solution

The fourth proportional to 741,772.40, 1,112,658.60 and 404,682.80 is: 607,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,772.40 : 1,112,658.60 = 404,682.80 : x
  2. Step 2: Convert to fraction form
    741,772.40/1,112,658.60 = 404,682.80/x
  3. Step 3: Cross multiply
    741,772.40x = 1,112,658.60 × 404,682.80
  4. Step 4: Simplify right side
    741,772.40x = 450,273,797,692.08
  5. Step 5: Solve for x
    x = 450,273,797,692.08/741,772.40
  6. Step 6: Final answer
    x = 607,024.20

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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.