Home / 656,345.10-984,517.65-443,768.70

Finding the Fourth Proportional to 656,345.10, 984,517.65 and 443,768.70

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Solution

The fourth proportional to 656,345.10, 984,517.65 and 443,768.70 is: 665,653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,345.10 : 984,517.65 = 443,768.70 : x
  2. Step 2: Convert to fraction form
    656,345.10/984,517.65 = 443,768.70/x
  3. Step 3: Cross multiply
    656,345.10x = 984,517.65 × 443,768.70
  4. Step 4: Simplify right side
    656,345.10x = 436,898,117,667.56
  5. Step 5: Solve for x
    x = 436,898,117,667.56/656,345.10
  6. Step 6: Final answer
    x = 665,653.05

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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.