Home / 739,200.80-1,108,801.20-178,235.30

Finding the Fourth Proportional to 739,200.80, 1,108,801.20 and 178,235.30

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Solution

The fourth proportional to 739,200.80, 1,108,801.20 and 178,235.30 is: 267,352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,200.80 : 1,108,801.20 = 178,235.30 : x
  2. Step 2: Convert to fraction form
    739,200.80/1,108,801.20 = 178,235.30/x
  3. Step 3: Cross multiply
    739,200.80x = 1,108,801.20 × 178,235.30
  4. Step 4: Simplify right side
    739,200.80x = 197,627,514,522.36
  5. Step 5: Solve for x
    x = 197,627,514,522.36/739,200.80
  6. Step 6: Final answer
    x = 267,352.95

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Half scale
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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.