Home / 758,276.40-1,137,414.60-197,310.90

Finding the Fourth Proportional to 758,276.40, 1,137,414.60 and 197,310.90

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Solution

The fourth proportional to 758,276.40, 1,137,414.60 and 197,310.90 is: 295,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,276.40 : 1,137,414.60 = 197,310.90 : x
  2. Step 2: Convert to fraction form
    758,276.40/1,137,414.60 = 197,310.90/x
  3. Step 3: Cross multiply
    758,276.40x = 1,137,414.60 × 197,310.90
  4. Step 4: Simplify right side
    758,276.40x = 224,424,298,399.14
  5. Step 5: Solve for x
    x = 224,424,298,399.14/758,276.40
  6. Step 6: Final answer
    x = 295,966.35

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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.