Home / 656,348.10-984,230.55-256,856.10

Finding the Fourth Proportional to 656,348.10, 984,230.55 and 256,856.10

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Solution

The fourth proportional to 656,348.10, 984,230.55 and 256,856.10 is: 385,170.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,348.10 : 984,230.55 = 256,856.10 : x
  2. Step 2: Convert to fraction form
    656,348.10/984,230.55 = 256,856.10/x
  3. Step 3: Cross multiply
    656,348.10x = 984,230.55 × 256,856.10
  4. Step 4: Simplify right side
    656,348.10x = 252,805,620,573.86
  5. Step 5: Solve for x
    x = 252,805,620,573.86/656,348.10
  6. Step 6: Final answer
    x = 385,170.03

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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.