Home / 665,114.20-997,671.30-455,162.20

Finding the Fourth Proportional to 665,114.20, 997,671.30 and 455,162.20

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Solution

The fourth proportional to 665,114.20, 997,671.30 and 455,162.20 is: 682,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,114.20 : 997,671.30 = 455,162.20 : x
  2. Step 2: Convert to fraction form
    665,114.20/997,671.30 = 455,162.20/x
  3. Step 3: Cross multiply
    665,114.20x = 997,671.30 × 455,162.20
  4. Step 4: Simplify right side
    665,114.20x = 454,102,263,784.86
  5. Step 5: Solve for x
    x = 454,102,263,784.86/665,114.20
  6. Step 6: Final answer
    x = 682,743.30

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Double scale
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Similar ratio
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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.